What philosopher separated the government into three branches of government and argued for separation of powers.

What principle did president truman invoke in sending u. s. troops into south korea without first asking congress to declare war?

Erugent which russian tsar defeat napoleon and saw himself as the leader of european monarchs who opposed revolutionary change ivan the terrible ivan the great nicholas 1 alexander 1

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?