What types discimination did black soldiers encounter while serving in the Union Army during the Civil War?

During the war, African American troops also faced a different kind of battle: a battle against discrimination in pay, promotions, and medical care. Despite promises of equal treatment, they were relegated to separate regiments commanded by white officers.

Explanation:

During the Civil War, black troops were often assigned tough, dirty jobs like digging trenches. Black regiments were commonly issued inferior equipment and were sometimes given inadequate medical treatment in racially segregated hospitals. African-American troops were paid less than white soldiers.

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

where's the