Is most likely to support government action to protect and expand civil liberties?
a conservative
a liberal
a moderate
a reactionary

Generally speaking it would be "a liberal" who is most likely to support government action to protect and expand civil liberties, since liberals tend to believe in the value and importance of government intervention. 

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