What does the term racism refer to?

Why did macarthur want to invade china? why did truman oppose this?

How does central place theory explain patterns in the size and distribution of cities?

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory