What was John Marshall's main role in the development of the United States? He served as Chief Justice of the Supreme Court for almost 35 years.

He served as commander-in-chief following George Washington.

He was the Senate majority leader for 40 years.

He was the first Speaker of the House of Representatives.

Maybe 1st answer

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.