Answer: In the 19th century, an ideology emerged in the United States known as nativism. Nativists believed that immigrants posed a threat to American values and culture, and that white, American-born citizens should receive preferential treatment over immigrants.\
Explanation:
Answer: expansions of labor unions
Explanation:
The Americans thought Napoleon (who was a french military and political leader rose to prominence during the French Revolution and led several successful campaigns during the French Revolutionary Wars.) <span>might withdraw the offer at any time, preventing the </span>United States<span> from acquiring New Orleans, so they agreed and signed the </span>Louisiana Purchase<span> Treaty on April 30, 1803. On July 4, 1803, the treaty reached Washington, D.C.</span>
President Abraham Lincoln removed General George B. McClellan for his ineffective leadership. General McClellan had led the Potomac Army.
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