Title: East Prussia.
Question: What has since happened from 1919 that involve the provincial diets?

Title: Copper.
Question: What material were the gates of the Temple of Jerusalem made from?

Title: To Kill a Mockingbird.
Question: According to The American Library Association, what rank did the book have among the most frequently challenged books from 2000 to 2009?

Title: Asphalt.
Question:
What are the two types of bitumen emulsions?