The answer is
A. By leading settlers across the Appalachians.
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The Twelfth amendment, ratified in 1804, changed the process so that candidates are elected for president and vice president separately, instead of the vice presidency as the person who came in second in the vote for president.
Explanation:
Just say, "No more slavery." Boom. Problem solved.
Higher level party leaders (Hitler) which he was a dictator but still he had the all control over that area