The first amendment protects: freedom of religion, freedom of speech, freedom of assembly, freedom of the press, and freedom to petition (disagree with/complain to) the government.
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TV Remote Control, i got this question right on a quiz
The term informal empire describes the spheres of influence which a polity may develop that translate into a degree of influence over a region or country, which is not a formal colony, protectorate, tributary or vassal state of empire, as a result of its commercial, strategic or military interests.
The answer is: because human error can make historical research unreliable