What is the name of the American literary movement that was most active in the 1830s and 1840s?
Naturalism
Realism
Romanticism
Transcendentalism

trendalism sounds like the most reasonable answer it was a litterly and philosophical movement.

your answer would be (a)

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.