Answer:
b
B
B
B
B
B
B
B
B
IF YOU COULDNT TELL BY NOW ITS B
Explanation:
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Imperialism is a state policy, practice, or advocacy of extending power and dominion, especially by direct territorial acquisition or by gaining political and economic control of other areas. Because it always involves the use of power, whether military force or some subtler form, imperialism has often been considered morally reprehensible, and the term is frequently employed in international propaganda to denounce and discredit an opponent’s foreign policy.
Answer:
It establishes control of the Mississippi River and doubled the size of the United States
