How did school segregation in the united states cause african american students to feel? a. excluded, which increased their level of motivation in school b. rejected, which enhanced their educational and mental development c. superior, which improved their level of motivation in school d. inferior, which delayed their educational and mental development

D. inferior, which delayed their educational and mental development.

Explanation:

Segregation was common in the United States in the past. This meant that students who were from different races were separated from each other. Usually, institutions where white children studied were of better quality. This meant that African American students felt inferior and neglected. The feeling affected them, and it delayed their educational and mental development.

the answer is:

c. economic output

i would say b. research typically uses a variety of sources