Based on the section "The power of nature," why is rainfall in the south important to all of China?

Based on the section "The power of nature," why is rainfall in the south important to all of China? It allows farmers to grow rice for the country's large population. ... Even today, these geographic barriers and the vastness of western China affect China's relations with its western neighbors.

Explanation:

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws