According to the lesson, how did the settlers in the west send their produce back to the east before the canals were built?

Turnpikes is going to be the answer for your question

u.s.a

china

india

and

japan

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.