Here are the answers to your questions based on historical context:
Question 1: When World War I began, the U.S. military was __________.
Answer: A. very small
Question 2: Which of these would have been MOST likely to be regulated by the W.I.B. during World War I?
Answer: B. steel mills
Question 3: What was the purpose of the Selective Service Act?
Answer: D. to create a large military force
Question 4: The original purpose of the U.S. Food Administration was to __________.
Answer: A. stabilize wheat prices