QUESTION: Generate a question with a factual answer?

ANS: What aspect of buildings became very rare?

QUESTION: Generate a question with a factual answer?

ANS: What was the result of the Hungarian nobility's refusal to accept Sigismund claim as Louis' heir?

QUESTION: Generate a question with a factual answer?

ANS: The introduction of the Nike Ajax missile caused what to disappear?

QUESTION: Generate a question with a factual answer?

ANS:
What was the first botanical garden at an Italian university?