Many social scientists argue that class size should be increased to provide more competition for students.
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Many social scientists argue that class size should be increased to provide more competition for students. Racial relations tend to improve with desegregation as students learn about people who are different than they are in terms of race, ethnicity, and class. True

Explanation:

Increase because they learn about different cultures.

this article will :

b. martin luther king jr. wrote and spoke "i have a dream"

explanation:

i know this 100 percent is correct   b. is the best one. < 3