What 2 major changes occurred in American life during the mid-1800s?

What 2 major changes occurred in American life during the mid-1800s?

The US changed in the 1800's when the nation grew in size. It gained Louisiana terroitry. The US also haad to have people to help work the lands. There was a war (Civil War) to abolish slavery which it did because the North won.

The 1870s continued the trends of the previous decade, as new empires, imperialism and militarism rose in Europe and Asia. The United States was recovering from the American Civil War. The Reconstruction era of the United States brought a legacy of bitterness and segregation that lasted until the 1960s.

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