Is there a passage I could read to answer it?
C is your Answer:
Workers tried to get improved conditions and wages through labor unions. These unions often started friendly enough, but they soon became organizations for winning improvements by collective bargaining and strikes.
<span>Industrial workers also tried political action. The struggle to win the right to vote and to extend their political power was one of the major factors in the spread of democracy during the 19th century.</span>
This is obviously 3, its like communism, communal control of wealth