Title: Detroit.
Question: Who was Detroit's last Republican mayor?

Title: Multiracial American.
Question: What caused many men to free slaves from 1782 to 1810?

Title: United States dollar.
Question: Since the 1970s, what is the only type of note that has remained in circulation?

Title: Clothing.
Question:
In what type of climate does clothing protect against sunburn and wind damage?