Why did truman put limits on macarthur?

Correct

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

Due to MacArthur's decision to move north of the 38th parallel he created a conflict with North Korea. Truman was especially concerned that MacArthur's action could cause China and Russia to come together and attack the United States.

they had more african americans than any other state.

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the correct answers are 1, 2 5, 6