There was an increase demand for coal as an energy source yield democratic claims in some places and colonial domination in others because of democracy. Miners were in the better position to have voting rights, have higher wages and other benefits.
Answer:
As the war progressed, however, African Americans could sign up for combat units. By the end of the Civil War, some 179,000 African-American men served in the Union army, equal to 10 percent of the entire force. Of these, 40,000 African-American soldiers died, including 30,000 of infection or disease.
Explanation:
Martyrdom is that in any of your answer choices