William Henry Harrison led a force against Prophetstown.
I believe D is the answer.
Because Pharaoh doesn't directly punish the midwives nor does he change his mind and continues in killing all the Hebrew baby boys (first born)
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Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.