The answe to your question id B
Answer:
The Han Dynasty in China, one of the world's great classical civilizations, because people rebelled against them. How did mountains and deserts help Chinese civilizations develop? Mountain and deserts helped the Chinese by giving the safe borders.
Explanation:
hope this works
Human environmental intertaction
C. A person must be at least 30 years old to run for the U.S. Senate. They also have to have been a U.S. citizen for at least 9 years.