Harry Truman was the 33rd President and 34th vice president of the United States. He is well known for dropping the bombshell on Japan to end World War II.
The correct answer is:
Option B. Army officer in World War I.
This can be explained as:
- Harry Truman served in the military services during World War I.
- He entered the army as the national guard and then got appointed as the lieutenant.
- While the other options are incorrect as he never directly worked as a farmer and was never a shopkeeper or principal.
Therefore, Truman was in the army before he became the president.
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