The manifest destiny is when everyone moved west and kicked the Indians out
The result of the Korean war was a stalemate - so noone won. That's why options A, B, and C are not correct.
D is correct- the containment of the spread of Communism was successful.
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They encouraged people to settle because they were looking for an economic opportunity so not A and they mostly thought they were going to get rich from gold, so not B so I would say C
Tariff is a tax on goods leaving or entering the country
