QUESTION: Generate a question with a factual answer?

ANS: When did iron making technology begin in Japan?

QUESTION: Generate a question with a factual answer?

ANS: What was built around Hakata Bay?

QUESTION: Generate a question with a factual answer?

ANS: On what hill did construction of Lutyen's Bungalow Zone begin?

QUESTION: Generate a question with a factual answer?

ANS:
What did the Scientific Revolution cause?