The Aryan caste system was a. a complex system that divided people by occupation.
b. very informal.
C. designed to allow people to move easily from one caste to another
d. arranged with the Vaisyas at the top of the social standings.

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.

d. islands off the coast of newfoundland

i believe the answer is a