One Effect of the Geographic Split in Parties That Occurred

One effect of the geographic split in parties that occurred as a consequence of the Civil War was the

A) end of the Democratic-Republican Party of Thomas Jefferson.
B) emergence of strong party factions such as the mugwumps.
C) rise to power of Democratic progressives and others who supported free trade.
D) establishment of national conventions to nominate presidential candidates.
E) equal distribution of party power among the states.