Congress may use its own discretion in a. deciding whom it will tax. b. setting rates for indirect taxes at varying levels in different parts of the country. c. deciding whether or not to tax funds raised during church services. d. raising or lowering federal income tax rates.

I think the answer would be b or c

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful