"<span>C) It held homesteaders responsible for contributing to the completion of the transcontinental railroad" is not true, since the act had to do only with land acquisition.
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Answer:
Because their rate of reproduction is quite fast and because most cities haven't done anything about their Population for a long time meaning they have had a long time to expand their 'territory'
But what do I know, I live in a village
President Lyndon B. Johnson