Congress failed to support passage of the Enforcement Acts until

I think they were passed to protect african american's right to vote, to hold office, to serve on juries, and to receive equal protection of laws. (sorry if this is wrong this is just what I remember)

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.

i think they came to washington to protest