What was the primary reason for U. S. involvement in Korea?

A. An imperialist hoping to annex (add) new colonies

B. The hope of expanding American frontiers westward

C. A fear of the international spread of communism

D. A humanitarian desire to help people improve their economies.

C. A fear of the international

Explanation:

"to reflect the policy of containment of communism, and keep the spread of communism steadily halted."

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )