How Did The United States Change Between 1776 And 1870

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The United states changed dramaticily between 1776 and 1870. The popualtion increased rapidly . People were given constituational rights. There was no more slavery and less racial discrimination. The U.S became more of a industrial economy rather then agricultural. The United States size changed massively between 1776 and 1870. There was only 13 states in the beginnig, then as the years passed, the U.S grew to 37 states. The population also grew. In 1776 there was about 2.5 million people in the U.S. By 1870, there was about 39 million people. This popualtion increasr occured because tthe slaves were freed and immigrants started coming to America. Many inventions were made between 1776 and 1870. These inventions took a big roll and made life