Emailing Senator Ted Cruz stating that there needs to be a law that restricts the government's ability to use drone surveillance in the United States is an example of which Constitutional principle? * Popular Sovereignty
Republicanism
Federalism
Limited Government

a. the astrolabe could determine the correct latitudinal location of the ship

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.