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Use of force and international law

International law on use of force across borders and protection of territorial integrity

Fact-Checks

2 results
Feb 1, 2026

How do international bodies define "occupied territory" under international law?

International bodies define "" under established primarily by reference to effective control: territory is occupied when it is actually placed under the authority of a foreign hostile army and that au...

Jan 19, 2026

What legal and constitutional steps would be required for one country to buy or annex a U.S. state?

A foreign country cannot simply buy or unilaterally annex a U.S. state: any transfer of sovereignty would trigger U.S. constitutional mechanisms, require extensive domestic approvals, and collide with...