Which idea keeps one branch of government from becoming more powerful than another?

Which of the following was discovered in the piedmont region of north carolina in 1799?

Which of the following is not among the root causes of poverty in the united states? size of family disabilities advanced degrees underemployment

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: