Religion (and other civic associations) provide an outlet for public opinion that is often critical of the nation-state.
Outlawing religion doesn't work unless there are no other civic institutions such as unions, political parties, and local governments.
Religion is always the way to speak out against the nation-state even if the leaders are chosen by the state because the prayers of groups of men can be done without leaders.
"c. A narrative source" is what a historian would use to get a firsthand account of a past event, since in these sources (which are also primary sources) a person is giving a first-hand account of the event itself.
The correct answer is "A".
The "Great Migration" was the massive relocation of African Americans to territories up North, Midwest, and West which occurred from 1916 to 1970. During this period, African Americans who relocated into urban areas in the north were subject to constant violent acts from the White community, as there was still an inherent sentiment of segregation among the citizens of the country. This prompted African Americans to establish in suburbs in the outskirts of the urban areas during the 1950s.