Unilateral Use of Force and International Law – Explained

International Law

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  • Recent unilateral military actions by the United States have reignited global debate on violations of international law and the weakening of the UN-led multilateral order.

International Law and the Use of Force

  • International law is founded on the principle of sovereign equality of states and the prohibition of force in inter-state relations. 
  • These principles were codified after the Second World War through the United Nations Charter, with the objective of preventing unilateral military aggression and preserving global peace. 
  • Article 2(4) of the Charter explicitly prohibits the threat or use of force against the territorial integrity or political independence of any state.
  • The only two exceptions recognised under international law are:
    • Use of force authorised by the UN Security Council, and
    • The inherent right of self-defence under Article 51 is applicable only in response to an armed attack.
  • Despite this legal framework, powerful states have increasingly justified military interventions outside these exceptions, raising concerns about the erosion of the international legal order.

Violation of the UN Charter Framework

  • The recent U.S. military action against Venezuela represents a significant departure from established international legal norms. 
  • The operation was undertaken without authorisation from the UN Security Council and did not meet the legal threshold of self-defence. 
  • As such, it constitutes a direct violation of Article 2(4) of the UN Charter.
  • The action also undermines the principle of non-intervention in domestic affairs, a cornerstone of international law. 
  • By forcibly intervening in the political leadership of a sovereign state, the operation challenges the legitimacy of multilateral institutions designed to regulate global security.

Breakdown of the Balance of Power

  • The current international system reflects a weakening of the traditional balance-of-power mechanism. 
  • During the Cold War, the bipolar structure ensured that no single power could act without restraint. 
  • The presence of two competing superpowers acted as a deterrent against unilateral military action.
  • Historical examples illustrate this dynamic clearly. During the 1971 Bangladesh Liberation War, external intervention threats were neutralised through counter-deployments by rival powers. 
  • Similarly, during the 1973 Yom Kippur War, superpower intervention prevented escalation and forced diplomatic restraint.
  • Following the collapse of the Soviet Union in 1991, the global system transitioned into a largely unipolar order. 
  • This shift has enabled the United States to exercise military power with minimal external constraints, contributing to repeated interventions in West Asia and Latin America.

Expansion of Pre-emptive Military Doctrine

  • A notable feature of contemporary U.S. foreign policy has been the increasing reliance on pre-emptive and preventive military action. 
  • The justification for such actions often rests on broad claims related to terrorism, weapons proliferation, or transnational crime.
  • In the Venezuelan case, the stated objective of countering narco-terrorism appears legally tenuous. 
  • Available data suggest that Venezuela is not a major source of narcotics affecting the U.S., raising questions about the proportionality and necessity of military action. 
  • Instead, strategic and economic considerations, particularly access to natural resources, appear to play a significant role.

Implications for the Global Order

  • The repeated bypassing of international legal norms has serious implications for global governance. 
  • It weakens the authority of the United Nations, normalises unilateralism, and sets dangerous precedents for other powerful states to follow.
  • In the emerging geopolitical context, China is increasingly viewed as the only potential counterweight capable of restoring a degree of balance. 
  • While Russia and China may form tactical alignments, structural differences limit the prospects of a stable multipolar order in the near term.

Implications for India’s Foreign Policy

  • For India, these developments highlight the risks inherent in a weakened rules-based international order. 
  • India has traditionally relied on international law and multilateralism to safeguard its sovereignty and security interests.
  • The current global environment underscores the need for India to strengthen its strategic autonomy, invest in its defence-industrial base, and pursue diversified partnerships. 
  • A credible military and economic capacity remains essential for safeguarding national interests in an increasingly unilateral world order.

Source: TH

Intenrational Law FAQs

Q1: Which UN Charter provision prohibits the use of force by states?

Ans: Article 2(4) of the UN Charter prohibits the threat or use of force against sovereign states.

Q2: When is the use of force legally permitted under international law?

Ans: Only with UN Security Council authorisation or in self-defence after an armed attack.

Q3: Why is unilateral military action problematic for global order?

Ans: It undermines international law, weakens multilateral institutions, and sets dangerous precedents.

Q4: How did the Cold War balance of power restrain military aggression?

Ans: Rival superpowers counter-balanced each other, preventing unchecked use of force.

Q5: What lesson does this situation hold for India?

Ans: India must strengthen strategic autonomy and defence capacity to protect its interests in a unipolar world.

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