Liên Hợp Quốc và Trật Tự Thế Giới

Understanding the United Nations and the Post‑World War Order

The United Nations (UN) was created in the aftermath of World War II to provide a forum for collective security, diplomacy, and the peaceful settlement of international disputes. This course explores the core institutions of the UN, key historical milestones, and the principles that guide its actions. By the end of the module, you will be able to identify the main UN bodies, explain landmark conferences, and apply the UN’s peace‑building principles to contemporary regional issues such as the South China Sea dispute.

1. The UN Security Council: Guardian of International Peace

The UN Security Council (UNSC) is the principal organ responsible for maintaining global peace and security. It has the authority to adopt binding resolutions, impose sanctions, and authorize the use of force when necessary. The Council consists of 15 members, including five permanent members—often referred to as the "P5": the United States, the United Kingdom, France, Russia, and China. These permanent members possess veto power, meaning any substantive resolution can be blocked by a single negative vote from one of them.

Key functions of the Security Council include:

• Identifying threats to peace and recommending appropriate measures.
• Establishing peacekeeping missions and authorizing the deployment of troops.
• Imposing economic sanctions or arms embargoes to compel compliance.
• Referring cases to the International Criminal Court or other judicial bodies.

Because the UNSC can act swiftly—often within days of a crisis—it is considered the UN’s most powerful organ. However, its effectiveness is sometimes limited by the political interests of the P5 members.

2. The 1945 San Francisco Conference: Birth of the UN Charter

The San Francisco Conference (June‑October 1945) was the diplomatic gathering where the UN Charter was drafted and adopted. Delegates from 50 nations convened at the Bàn Môn Điếm (the “Ban Mon Dining” hall) to negotiate the structure, purposes, and principles of the new organization.

Highlights of the conference include:

• Agreement on the four main purposes of the UN: maintaining peace, promoting human rights, fostering social and economic development, and encouraging international cooperation.
• Establishment of the Security Council, General Assembly, Economic and Social Council (ECOSOC), International Court of Justice, and the Secretariat.
• Adoption of the principle of sovereign equality of all member states, a cornerstone of modern international law.

Understanding the San Francisco Conference is essential for grasping why the UN operates on the basis of consensus, collective security, and respect for national sovereignty.

3. Peaceful Settlement of Disputes: The UN’s Core Principle

Article 2(3) of the UN Charter obliges all members to settle their international disputes by peaceful means. This principle is reflected in the UN’s encouragement of:

• Negotiation – Direct talks between parties to reach a mutually acceptable solution.
• Mediation – Involvement of a neutral third party to facilitate dialogue.
• Arbitration – A binding decision rendered by an agreed‑upon tribunal.
• Judicial settlement – Referral to the International Court of Justice or other legal bodies.

For Vietnam’s claims in the South China Sea, the UN framework urges the use of these peaceful tools rather than unilateral military actions. By pursuing diplomatic negotiations, joint development agreements, or international arbitration, states can protect their interests while upholding the UN’s commitment to global stability.

4. The Division of Korea: A Historical Snapshot

At the end of World II, the Allied powers convened the Yalta Conference (often referred to in Vietnamese as the "Hội nghị I‑an‑ta") in February 1945. One of the most consequential decisions was the division of the Korean Peninsula along the 38th parallel. This line became the de‑facto border between the Soviet‑occupied North and the American‑occupied South, eventually leading to the establishment of two separate states: the Democratic People’s Republic of Korea and the Republic of Korea.

Remembering the 38° latitude is useful for understanding the geopolitical legacy of Cold War era agreements and the ongoing security challenges on the Korean Peninsula.

5. NATO’s Founding Purpose: Countering Soviet Expansion

The North Atlantic Treaty Organization (NATO) was created in 1949 as a collective defense alliance. Its primary objective was to deter Soviet aggression and protect Western Europe from potential invasion. The famous Article 5 of the NATO treaty states that an armed attack against one member is considered an attack against all, ensuring mutual defense.

Key points about NATO’s early mission:

• It served as a political and military counterbalance to the Warsaw Pact, the Soviet‑led alliance.
• It promoted interoperability among member armed forces, standardizing equipment and training.
• It reinforced the principle of collective security, a concept also embedded in the UN Charter.

Understanding NATO’s origins helps explain the broader security architecture of the post‑war world and the enduring East‑West rivalry that shaped international relations for decades.

6. The UN’s Vision of Peace: A Shared Aspiration

One of the foundational ideas of the United Nations is that peace is the collective aspiration of all peoples. This belief underpins the organization’s efforts to prevent war, resolve disputes, and promote sustainable development. The UN’s peace‑building agenda is not limited to the absence of conflict; it also includes:

• Human security – protecting individuals from violence, hunger, disease, and displacement.
• Rule of law – ensuring that international norms are respected and that justice is accessible.
• Economic development – recognizing that poverty and inequality can fuel instability.

By framing peace as a universal desire, the UN encourages cooperation among diverse cultures, religions, and political systems.

7. Cold War Restraint: Avoiding a New World War

During the Cold War, the United States and the Soviet Union practiced a policy of mutual deterrence. Both superpowers recognized that a direct military confrontation could trigger a nuclear exchange, potentially ending civilization. This strategic restraint is often described as the “balance of terror.”

Key mechanisms that prevented escalation included:

• Strategic arms control agreements (e.g., SALT I & II, the INF Treaty).
• Proxy wars – conflicts fought through third‑party states rather than direct engagement.
• Diplomatic channels such as the "hotline" established after the 1962 Cuban Missile Crisis.

The lesson is clear: the fear of catastrophic consequences can compel rival powers to seek diplomatic solutions, reinforcing the UN’s emphasis on peaceful dispute resolution.

8. Permanent Members of the UN Security Council

The five permanent members—United States, United Kingdom, France, Russia, and China—were selected after World II because they were the major Allied powers that emerged victorious. Their permanent status grants them veto power, a privilege that has shaped UN decision‑making for over seven decades.

Understanding the composition and influence of the P5 is crucial for analyzing why certain resolutions succeed or fail, especially on contentious issues like sanctions against Iran, the Syrian conflict, or the recognition of new states.

9. Integrating Knowledge: Applying UN Principles to Modern Challenges

To solidify your grasp of the material, consider how the UN’s structures and principles can be applied to current geopolitical issues:

• South China Sea – Use UN‑mandated peaceful mechanisms (negotiation, arbitration) to address overlapping claims.
• Korean Peninsula – Encourage dialogue under the auspices of the UN and regional bodies to reduce nuclear tensions.
• Cybersecurity – Advocate for new international norms within the UN framework to prevent cyber‑warfare.

By linking historical precedents to contemporary problems, you develop a nuanced perspective on how international institutions evolve to meet new security challenges.

10. Review and Self‑Assessment

Test your understanding with the following prompts:

• Which UN organ has the authority to authorize the use of force? Answer: Security Council.
• Where was the UN Charter adopted in 1945? Answer: San Francisco Conference (Bàn Môn Điếm).
• What is the primary method the UN recommends for resolving the South China Sea dispute? Answer: Peaceful measures such as negotiation or arbitration.
• Along which latitude was Korea divided after World II? Answer: 38° North.
• What was NATO’s original purpose? Answer: To counter the Soviet Union and its Eastern‑European allies.
• What core belief underlies the UN’s peace‑building agenda? Answer: Peace is the shared aspiration of all peoples.
• Why did the US and USSR avoid direct conflict during the Cold War? Answer: To prevent a world‑wide war, especially nuclear war.
• List the five permanent members of the UN Security Council. Answer: United States, United Kingdom, France, Russia, China.

Reflect on these questions and revisit any sections where you feel less confident. Mastery of these concepts will enhance your ability to analyze international relations and contribute meaningfully to discussions on global governance.