QUESTION: Generate a question with a factual answer?

ANS: Most domestic animals were selected for what traits?

QUESTION: Generate a question with a factual answer?

ANS: When did the US start bombing Hanoi?

QUESTION: Generate a question with a factual answer?

ANS: When was migration finally accepted?

QUESTION: Generate a question with a factual answer?

ANS:
Noble Slavs pledged allegiance to whom?