Which statement explains President Truman's dispute with General MacArthur over war strategy in Korea?

Truman feared that attacking China would bring the Soviet Union into the war.

Truman felt that MacArthur had failed to prepare for Chinese entry into the war.

Truman felt that MacArthur was reluctant to use limited atomic weapons in the war.

Truman feared that invading North Korea would bring Chinese communists into the war.

Question

Which statement explains President Truman's dispute with General MacArthur over war strategy in Korea?

 Truman feared that attacking China would bring the Soviet Union into the war.

 Truman felt that MacArthur had failed to prepare for Chinese entry into the war.

 Truman felt that MacArthur was reluctant to use limited atomic weapons in the war.

 Truman feared that invading North Korea would bring Chinese communists into the war.