The Phanerozoic is divided into three eras: the Paleozoic, Mesozoic, and Cenozoic. You could have googled the question.
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From the era of Reconstruction to the end of the 19th century, the United States underwent an economic transformation marked by the maturing of the industrial economy, the rapid expansion of big business, the development of large-scale agriculture, and the rise of national labor unions and industrial conflict.
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Headright system allowed settlers their own land
The UN resolution set a deadline to cooperate fully with weapon inspectors.
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The more immigrants came to Texas the more diverse the culture became, and the Native Americans had less space because the immigrants had to build houses and we’re eating more food and killing more animals and plowing more land, which invaded the American Indians land and they got angry. They had to move out because their land was being destroyed and they were attacking the sellers so the government forced them out. But because so many immigrants were coming to Texas they had to change the way people live because sometimes they don’t want to follow the walls like people keeping slaves and going against the law, because they wanted t
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