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Sovereignty is sacred. But when lives are in danger, does that principle still apply?

Learn how the world’s nearly two hundred countries came to be, and whether the map is set in stone.

Nationalism can unify diverse societies. But when taken to extremes, it can also fuel violence, division, and global disorder.

A government’s authority within its borders gets challenged all the time. Here is how.

How did sovereignty become part of world history? In this educational video, learn why kingdoms turn into countries after the Thirty Years’ War.

Should the United States remain neutral during the war between France and England? Explore this simulation set in 1807.