When a Republican Supporter of James Blaine Made a Reference

When a Republican supporter of James Blaine made a reference to the Democratic party as the party of "rum, Romanism, and rebellion," it hurt James Blaine's presidential campaign because:

A) Blaine was the Democratic candidate
B) the Republican Blaine was heavily invested in the rum industry despite supporting calls for prohibition
C) the Democrat Blaine supported the right of states to rebel and secede despite his public denials
D) Democrats spread the word that Blaine was anti-Irish and anti-Catholic despite his public claims to the contrary
E) Republicans were supposed to be the party of "rum, Romanism, and rebellion."