The Japanese saw this Asian territory as a an immediate way to alleviate (help) the struggling economy during the Great Depression because of it's vast farmland and much needed natural resources like coal and iron. So, they invaded it in 1931. *

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.