During world war ii, many african americans a. found work with national defense employers. b. carried out a large protest march on washington, dc c. served in military units that were not segregated. d. joined organizations dedicated to fighting segregation.

D.joined organizations dedicated to fighting segregation.

Explanation:

During World War II, many African American citizens enlisted to fight in the war. However, despite their efforts and bravery, they were still treated like second-class citizens. Their quotas were lower, and when they did manage to enlist, they were segregated from others and for the most part appreciated less. This led to a rise in African Americans who joined organizations dedicated to fighting segregation and achieving equality both within the troops and in society at large.

answer; i believe its a

6 units. ab and lo are congruent sides, and if ab= 6 units, then lo would be the same.