To Many Progressive Reformers, Corruption Was a Code Word Referring

To many progressive reformers, corruption was a code word referring to the type of politics practiced in

A) the South, where Jim Crow laws prevented African Americans from voting.
B) smoke-filled rooms of Congress, where party bosses decided election outcomes.
C) the West, where Native Americans were allowed to run their own tribal governments.
D) large cities, where political parties had organized immigrant and ethnic populations.
E) communities just south of the U.S.-Mexico border that tried to influence U.S.elections.