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) large cities, where political parties had organized immigrant and ethnic populations.
D) communities just south of the United States-Mexico border that tried to influence U.S. elections.