According to this prologue what are the sources of the hiawatha legend

What river valley civilization in the plow

What policy did "jim crow" laws put in place? black codes integration segregation 2. the supreme court case that established the doctrine of "separate but equal" was dred scott v. sandford plessy v. ferguson brown v. board of education 3. the supreme court case that overturned the doctrine of "separate but equal" wasdred scott v. sandford plessy v. ferguson brown v. board of education

During the 1500s,most rulers supported established a. political systems. d. none of the above b. churches c. freedom of speech