Title: Neolithic.
Question: What did early humans use to make clothing?

Title: Police.
Question: When did New York State ban unmarked cars for traffic cops?

Title: Josip Broz Tito.
Question: After being yelled at by a priest as a child, what place of worship would Tito refuse to enter again?

Title: Richard Feynman.
Question:
Which weaponry research did Feynman engage in?