Europeans competed for power either through acquisition of colonies or building up its industries. When their industries were strong, they would strengthen their armies as well. If that was not enough they would form alliances with other countries to protect their interest.
C. Andrew Jackson, also if I'm correct, Martin Van Buren was also part of it.
B
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Answer:
Because if you keep trading something your low on supply of you will run out and be left with nothing
Explanation: