The Chinese Han Dynasty ruled much of the territory around the Yellow and Yangtze rivers, extending west up to the Plateau of Tibet. Based on the map, how did geography affect the development of the Han Dynasty?
A.
Physical features restricted China's access to fresh water needed for farming.
B.
Physical features made travel within Han China almost impossible.
C.
Physical features acted as natural barriers between the Han and outside groups.
D.
Physical features made trade easier with civilizations west of China.