What were the greatest dangers faced by wounded and captured soldiers during the civil war?

Union Army during the later years of the civil war, and later became the President of The United States.

the u.s. department of labor is a cabinet-level federal agency that supports the american labor force. it has three overall functions. first, it protects the rights of workers and retirees. second, it provides job training. third, it provides statistics related to working, prices, and income.