QUESTION: Generate a question with a factual answer?

ANS: The Portugal-English alliance served as the predecessor to what?

QUESTION: Generate a question with a factual answer?

ANS: What are the Appalachian mountains called in French?

QUESTION: Generate a question with a factual answer?

ANS: What is another name for terahertz radiation?

QUESTION: Generate a question with a factual answer?

ANS:
What was the case that used Jefferson's letter?