What is the word for the distance across the middle of a circle or sphere?

How did the american revolutionary war change how some americans viewed the enslavement of african americans?

During the early neolithic era, people relied on domesticated animals to provide each of the following except a. hides for clothes b. labor to pull plows c. manure for the soil d. meat, cheese, and milk for food

Pl hell mafter the civil war which president was called a "carpetbagger"? a. lincolnb. johnsonb. grant