(plz ) what is the meaning of federalism?

a. states have more power than the federal government does.

b. the national and state governments share power.

c. citizens hold the power because they vote on each major issue.

d. the federal government has absolute power when making laws.

What is grievance 28 on the declaration of independence explained in simpler words? plz

"there will be differences in degree of mood elevation seen in depressed clients after receiving either cognitive-behavioral or psychoanalytic therapy."; in this hypothesis, mood elevation is the:

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: