Which occurred in the early 1800s? A. Plantation owners forbade religious practice among enslaved workers
B. African Americans were welcomed to all religious revival meetings
C. All American churches began to protest discrimination and slavery
D. Free African Americans founded the first African American colleges

D. Free African Americans founded the first African American colleges.

Explanation:

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) he bring down boss tweed and tammany hall.