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Answer (Westward Expansion) → Westward Expansion (1801-1861) Westward expansion began in earnest in 1803. Thomas Jefferson negotiated a treaty with France in which the United States paid France $15 million for the Louisiana Territory – 828,000 square miles of land west of the Mississippi River – effectively doubling the size of the young nation.
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The correct answer is: c. the idea that the political authority of government comes from the people
Popular Sovereignty refers to the notion that government must derive its authority from the people it governs.
The person most often called the "first civilized american" was
benjamin franklin
The answer I think is Captive Africans.