Identify the challenges African Americans faced during the Progressive Era.

The Progressive Era spanned the years from 1890–1920 when the United States was experiencing rapid growth. Immigrants from eastern and southern Europe arrived in droves. Cities were overcrowded, and those living in poverty suffered greatly. Politicians in the major cities controlled their power through various political machines. Companies were creating monopolies and controlling many of the nation’s finances.

Explanation:

i  not   sure if am  right but  i  try

answer; ///i believe the correct answer is john marshall;

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.