Third Political Parties Have All but Which One of the Following

Third political parties have all but which one of the following characteristics?

A) Can rarely generate significant financial and organization necessary to sustain itself
B) Tend to be led by an individual that is disgruntled by the direction of a major party or no longer welcomed by one
C) Appeal to the deep American value of support for the underdog
D) Face difficult challenges in gaining access to the ballots due to high signature requirements