Points P and Q are graphed below. Which is the best approximation of the distance between points P and Q?
A. 6.8
B. 7.2
C. 8.3
D. 9.2

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

it refers to race, i am pretty sure this was a popular term in nazi germany or something.

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.