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McCulloch v. Maryland (1819) is one of the first and most important Supreme Court cases on federal power. In this case, the Supreme Court held that Congress has implied powers derived from those listed in Article I, Section 8. The “Necessary and Proper” Clause gave Congress the power to establish a national bank.
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I'm assuming you mean the revolutionary war.
The Battle at Lexington and Concord was where the Shot Heard Round the World started the revolution, the first shot in the war.
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As stated on AIM's official website, the American Indian Movement's goals were: the recognition of Indian treaties by the United States government, among other goals such as sovereignty and the protection of Native Americans and their liberties.
The reasons as to why Irish citizens immigrated was to escape religious and political persecution. The Irish Potato Famine was another reason for this because potatoes were the staple food at the time which forced peasants to leave Ireland.