Title: Black people.
Question: What did the "one-drop" rule do?

Title: The Blitz.
Question: When a German bomber flew to close to its own beam what happened to the signal?

Title: Korean War.
Question: Who had to agree to send reinforcements for Stalin to give permission for the invasion of Korea?

Title: Carnival.
Question:
What does every Kvarner town burn just before the end of the Carnival?