How did westward expansion impact native americans living in the great plains

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

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explanation:

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.

this is true many people think today that blacks should be slaves also known as rasisim calling them many insults from slavery the idealogy of the south still exsist in some parts but not all