If a Minor Political Party Begins to Build Political Momentum

If a minor political party begins to build political momentum nationally that may undermine a major party's efforts, the major party generally reacts by __________or ___ .

A) draining off the emotion fueling the growing third party
B) creating single-member district elections to stop third party candidates
C) increasing the difficulty of the third party to get its candidates on the ballot
D) adopting one or more of the key issue positions of the third party