b) progressives pressured the government to change
"They sought regulation of monopolies (trustbusting) and corporations through antitrust laws, which were seen as a way to promote equal competition for the advantage of legitimate competitors. They also advocated for new government roles and regulations, and new agencies to carry out those roles, such as the FDA."
It was a step towards racial equality and a major point in the Civil Rights Movement. Although it took the Voting Rights Act to finally enforce it, African Americans were supposed to be citizens with the right to vote since the passage of the 14th and 15th Amendments to the Constitution.
I think it's B. the period when the Roman Empire experienced peace and prosperity
