what was the biggest threat to Tenochitlan. To solve this problem were built to protect the city.

so what is your question?

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.

newly independent countries of the former ussr