Which african american woman was one of franklin delano roosevelt's most influential advisors?

a) frances perkins

b) marian anderson

c) mary mcleod bethune

d) sojourner truth

Which action allowed farming to be expand into west texas? a inventing a new plow b developing dry farming c increasing demand for cotton worldwide d declining of the cattle ranching industry

What’s the reason for not digging up aztec ruins in modern mexico city

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: