I think that it would be B.trade
Answer:
<u>D. Slaves were treated humanely on the sea journey to the Americas to make sure the maximum number survived.</u>
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Founded in 1836 by Dr. Marcus Whitman<span> and his wife, Narcissa, the </span>Whitman Mission<span> was the site of one of the worst tragedies along the Oregon Trail. The Whitmans, Methodist missionaries, offered religious instruction and medical services to the local Cayuse Indians.</span>
The Constitution enumerates certain powers which are reserved to the federal goverment and other powers which are delegated to the state.
Those powers which are not explicitly related in the document to any of the goverment levels will automatically be reserved to and exercised by the supreme federal goverment.