What was one concern associated with both
the Korean War and the Vietnam War?
(1) Kim Jong Il and Ho Chi Minh possessed
nuclear weapons.
(2) French colonial rule would continue to
influence the region.
(3) Renewed Japanese imperialism would trigger
another world war.
(4) Communism would spread through eastern
and southeastern Asia.



Answer :

That "(4) Communism would spread through eastern and southeastern Asia" was common concern with both of these conflicts. This created a policy of "containment"

Answer:

(4) Communism would spread through eastern  and southeastern Asia.

Explanation:

The United States got occupied with both of these contentions since it needed to stop the spread of socialism to those nations. The Soviet Union got drew in for the contrary reason: it needed to help the likelihood of a communist government in those nations.