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Louisiana Purchase doubled the size if the United States, strengthened the country materially and strategically, providing expansion. -
The war between the United States and Great Britain from 1812 to 1815 -
The mexican-american war was a conflict between the United States and Mexico. -
Was civil war in the United States fought between states supporting the Federal union -
Battle of Gettysburg, Pennsylvania was the largest battle of the American Civil War as well as the largest battle fought in North America -
Spanish -American war was an armed conflict between spam and The United States -
The 19th amendment to the U.S constitution granted American women the right to vote on August 18,1920 e -
The Great Depression was the worst economic downturn in the history of the industrialized world lasting from 1929 to 1939 -
The United States dropped the world's first atomic bomb on Hiroshima,Japan killing 14000 people. -
NATO was founded in 1949 and it is a group of 30 countriesfrom Europe and North America that exist to protect the people and territory