Title: Military history of the United States.
Question: Who was the Secretary of War who modernized the US military at the beginning of the 20th century?

Title: Kanye West.
Question: The loss of which award caused Kanye to leave the American Music Awards?

Title: Empiricism.
Question: Who wrote 'Treatise Concerning the Principles of Human Knowledge'?

Title: Clothing.
Question:
What type of hazard is noxious chemicals?