Killed an estimated 20 million to 50 million<span> victims.</span>
Answer:
Government subsidies for federal elections, originally proposed by President Roosevelt in 1907, began to take shape as part of the 1971 law, as Congress established the income tax checkoff to provide for the financing of Presidential general election campaigns and national party conventions.
Explanation:
The correct answer is <span> (a) the missouri compromise.</span>
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