QUESTION: Generate a question with a factual answer?

ANS: What did Mach argue would happen if another object were introduce in the bucket's universe?

QUESTION: Generate a question with a factual answer?

ANS: How many race options were there?

QUESTION: Generate a question with a factual answer?

ANS: When did the Experience close?

QUESTION: Generate a question with a factual answer?

ANS:
The domino theory was applied to Central America and what other region?