Answer is: Bering land bridge
The Treaty of Paris which was signed in Paris in 1898 officially ended the Spanish-American War. As part of the agreement the United States also gained control of former Spanish colonies in the Philippines, Guam, and Puerto Rico.
The main issue that led to the Great Compromise was the issue of representation. The small states in the country thought that every state should have equal representation in the Congress. They thought the states ought to be equal to one another.
The causes of the Cold War were rooted in the failure of the Allies (U.S., Great Britain, U.S.S.R.) to reach common peace agreements with regard to Germany and Poland at the Yalta and Potsdam Conferences. ... As a result, the Cold War polarization between the U.S. and the Soviet Union lasted for almost 50 years.