The answer is option C "Protestors were driven out by force." The result of the Bonus March protestors were driven out by force. The protesters wanted more money or demanded <span>immediate payment of "bonus", which was promised to them by federal government during the war and when it didnt happen they started a protest which was called the Bonus March and as a result the protesters were convicted and driven out by force.
The second industrial revolution changed the industry and trade of Europe in many ways. It changed the conditions under which the workers did their work. The factories centralized work in buildings that were made with one purpose in mind. Products were made differently because of the assembly line so the time when one worker did something from beginning to end was gone. And many craftsmen were replaced by machines of many sorts.