Answer:
C. They were using their economic power to control the government.
Step-by-step explanation:
From the political cartoon, it can be seen that those sitting at the back of the senate or house chambers are the fat bosses named “Copper Trust,” “Steel Trust,” “Oil Trust,” etc.
It is depicted that these fat bosses are big firms. And with their financial muscle influence who gets elected into the legislative houses.
Thereby, those they supported to win House and Senate elections in turn, supported economic policies that favor those big firms.
Hence, in this case, the correct answer is "They were using their economic power to control the government."