Probably the Civil War was because the most Americans killed in any war was our own Civil War fought between the Northern and Southern states between 1861 - 1865.
it was the alamcatoah
The most destructive earthquake in US history was the Prince William Sound earthquake. This earthquake did extensive damage across the Gulf of Alaska.
New york
California
The nuclear bomb AKA the cold war. The cold war was an arms race against the USSR and the US to see who could get the most destructive and best nuclear weapon of all time.
While certainly an important event in US history, the US Civil War didn't "lead" or "start" the study of US History.
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The Us Civil War was the bloodiest war recorded in US history.
The statement that US history is not taught past the Vietnam War is not correct. US colleges and secondary schools have quite different US history boundaries. There is a mass of US history running past the War in Vietnam.
The Library of Congress in Washington DC has many thousands of government records. Without a doubt, the history of tariffs can be found there covering the US Civil War and most of US history.
Civil War's "California Joe" and the Vietnam War's "Carlos Hathcock."
Benedict Arnold.