What was a goal of the muckrakers? O A. To defend political machines
O B. To restore the Populist Party
O C. To protect business interests
D. To report on society's problems

Explanation:

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.

the answer is "by providing data about careers and annual mean wages"

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.