After ratification of the Fifteenth Amendment, voting rights could not be denied based on race.
voting rights could not be denied based on gender.
poll taxes became illegal and unconstitutional.
literacy tests became illegal and unconstitutional.

What is a common factor all nonprofit businesses share? they pay no income tax. they have no capital. they are national in scope. they perform charitable acts.

When zhang qin went to explore west, he brought back stories of

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.