The correct answer is: [A]: "Andrew Carnegie" .
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He proposed the Fugitive Slave Act in 1850, which was to send back runaway slaves from which who escaped from the southern states to the north. As this was a add onto the older laws this law punished officials who did not capture runaway slaves and bring them back to the southern states. In 1855 was found unconstitutional and was Nullified
Mexican Cession. Mexican Cession lands were captured in the Mexican–American War in 1846–48, and ceded by Mexico in the Treaty of Guadalupe Hidalgo, where Mexico agreed to the present Mexico–United States border except for the later Gadsden Purchase.
The statement that describes the Great Depression the best is D