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in the united states, the states share power with the national government but must follow federal laws. this is an example of which type of government?
a federation
b parliamentary
c confederation
d unitary

What was included in most state constitutions that guaranteed protection of individual liberties based upon common law?

What film is responsible for the creation of the pg-13 rating?

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.