QUESTION: Generate a question with a factual answer?

ANS: What can be causes of one Grand Lodge withdrawing Recognition from another?

QUESTION: Generate a question with a factual answer?

ANS: When was the patent case Davoll et al. v. Brown ruled on?

QUESTION: Generate a question with a factual answer?

ANS: Whed did the British and French invade Beijing?

QUESTION: Generate a question with a factual answer?

ANS:
Work in the first half the 20th century in electrical properties of nerve cells were by what two main scientists?