In the 1800s the U.S. had a foreign policy of?

In the 1800s, the U.S. foreign policy was largely characterized by the principles of isolationism and expansionism. The Monroe Doctrine of 1823 asserted that the Western Hemisphere was off-limits to European colonization, reflecting a focus on protecting American interests in the region. Additionally, the idea of Manifest Destiny fueled territorial expansion westward, leading to conflicts such as the Mexican-American War. Overall, U.S. foreign policy during this era sought to assert national sovereignty while simultaneously expanding its territorial reach.