Why did truman put limits on macarthur?
a).he was protecting his position as commander in chief
b).he was being careful of the defense funds allocated by nsc-68
c).he was avoiding a third world war.
d).he was unhappy that macarthur moved north of the 38th parallel.
e).he was unhappy that macarthur was more popular.

D).He was unhappy that MacArthur moved north of the 38th parallel.

Explanation:

Because of MacArthur's choice to move north of the 38th parallel, he made a contention with North Korea. Truman was particularly worried that MacArthur's decision could make China and Russia to come together and attack the United States.

the decreasing neutrality of the u. s. in world war i

hope this : )