B:
Agriculture, water projects, shipyards all offered steady work to people driven out of the plains states.
Americans who strongly opposed the war and believed that the United States should withdraw from it were known as hawks. The correct option among all the options given in the question is the third option. There were many people that were against this war and the government did not want people to show demonstrations against the war.
<span>A. The abolitionists established the Underground Railroad to help fugitive slaves to safety.</span>