If there are many individual differences that could confound your study, what is the best approach for creating equivalent groups in that case

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

If both the president and the vice president can no longer serve, who will become the next head of state?

Adeism protected the rights of the people under an agreement between rulers and the people. select the best answer from the choices provided t f