Question

After the American frontier closed, how did the principle of Manifest Destiny transform into a justification for overseas imperialism?

(1 point)
Responses

It caused a shift toward isolationism to protect national values from foreign influence.
It caused a shift toward isolationism to protect national values from foreign influence.

It led to the United States giving up its existing territories to other powers.
It led to the United States giving up its existing territories to other powers.

It was replaced by a new policy focused only on economic trade agreements.
It was replaced by a new policy focused only on economic trade agreements.

It adapted the belief in national expansion to acquiring foreign territories.

Answer 1

It adapted the belief in national expansion to acquiring foreign territories.

Explanation: With the continental frontier closed, expansionist sentiment was redirected overseas—using Manifest Destiny ideas to justify imperial actions like annexing Hawaii and the territories gained after the Spanish‑American War.