The answer is D. Isolationism was a period in Americas history when they stayed out of wars and affairs that had nothing to do with itself. Dollar is the american currency, big stick has to do with militarism, good neighbor has to do with helping neighbors and allies.
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<span>Louisiana Purchase.
Bought by the United States in 1803, the Louisiana Purchase was a large territory owned by France that covers approximately 828,000 square miles of land.</span>
One similarity between the two is that they both introduced a new way of thinking.
Answer: Manifest destiny
Explanation: This means that it is our god given right to move west.