La regionalidad es el ámbito cerrado en el cual la naturaleza aparece como símbolo de fuerzas telúricas que determinan el carácter del hombre:

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles

i think economic depression and disrupted trade and commerce

the correct answer would in fact be b. (: