QUESTION: Generate a question with a factual answer?

ANS: What was the main cause of the spread of Shtokavian?

QUESTION: Generate a question with a factual answer?

ANS: What benefits did attacking from below offer?

QUESTION: Generate a question with a factual answer?

ANS: What is Detroit's charter called?

QUESTION: Generate a question with a factual answer?

ANS:
What caused long lines in most major cities?