Title: Protestantism.
Question: What group popularized early Protestant teachings about separation of church and state?

Title: LaserDisc.
Question: What sound formatting do DVDs use?

Title: Madonna (entertainer).
Question: What did she also work as for other established artists?

Title: Zhejiang.
Question:
North Zhejiang and south Jiangsu are famed for their opulence and what else?