Answer:
World War 1 had a positive effect on the mindset and attitude of African Americans because it made them to begin insisting more on their civil rights. Their men joined the army and could stand up to the whites to demand for their rights.
Step-by-step explanation:
Chad Williams, the chairperson of the Department of African and American Studies at Brandeis University (as at 2014), had an interview with Brandeis Now where he revealed the influence of World War 1 in the mindset of African-Americans. According to him, World War 1 afforded black men the opportunity to work with the United States Military. This boosted their confidence and made it more possible for them to demand for their civil rights. The Double V campaign that signified the quest for victory home and abroad was one of such movements aimed at demanding the restoration of the rights of black men. This period also resulted in the migration of a lot African-Americans from the Southern part of the United States to the Northern part that was more accommodating.
Summarily, World War1had a positive influence on these group of people because they became more ambitious and demanding of their rights in the society.