Question

which of the following were grievances often faced by newly formed labor unions following the civil war
frequent vacations and leisure time
luxurious working conditions
low wages and long hours
food is dangerous and making people sick

Explanation:

After the Civil War, labor unions formed to address workers' issues. "Frequent vacations and leisure time" and "luxurious working conditions" are opposite of what workers faced. "Food is dangerous..." relates to food safety, not labor union grievances. Labor unions often fought against low wages and long working hours, which were common post - Civil War.

Answer:

C. low wages and long hours