It changed during World War 2 II. December 7, 1941, was a traumatic event in World history. The Japanese attacked the Americans at Pearl Harbor. Then Hitler declared war on the U.S. In 1945, the U.S. claims a world's primacy as the world's superpower by dropping two nuclear bombs on Japan and the Nuclear Age began.
2008 and 20012 were presidential election voter years.
Hope you have a good summer break too
D
A social contract is where everyone of a society agree to cooperate for social benefits.
Hope this helps!
