A. How did the muckrakers
bring about social reform?

The muckrakers played a highly visible role during the Progressive Era. Muckraking magazines—notably McClure's of the publisher S. S. McClure—took on corporate monopolies and political machines, while trying to raise public awareness and anger at urban poverty, unsafe working conditions, prostitution, and child labor.

this isn't a question and if you're going to list things be kind and use commas.

bipartisan basally means two groups of people who dont agree with each other (republican and democrat) make an agreement or work with each other