What do geographers learn when they study human-environment interaction?

How do economists measure the success, or shortcomings, of the economy?

Which struggle to place between colonist and soldiers in boston on march 5, 1770

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