The Primary Difference Between the "Stalwart" and "Half-Breed" Factions of the Republican

The primary difference between the "Stalwart" and "Half-Breed" factions of the Republican party was

A) that the Half-Breeds flirted with greenback and silver monetary inflation.
B) environmental and Indian policy in the West.
C) over who would control the "spoils" of political patronage.
D) about whether the corrupt campaign finance system should be reformed.
E) about whether the party should continued to protect African American voting rights in the South.