The Columbia River Project

Question $27$ options:

a$)$

gave Native American tribes a new source of revenue.

b$)$

was protested by folksingers like Woody Guthrie.

c$)$

created an expensive new source of electricity.

d$)$

employed scientists to study the environmental effects of dam construction.

e$)$

deprived Native American tribes of their fishing livelihoods.