Why did Harry Truman face a difficult reelection campaign in 1948? O A. He was too friendly with the Soviet Union.
B. He had lost World War II.
C. He did not want to run again.
O D. Southern Democrats were upset he supported civil rights.

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions