Which of the following is a characteristic of a whistle-stop campaign? strong attempts to win an election despite negative public opinion short campaign speeches given by a politician from a train campaigns that are run by conservative republicans multiple democratic candidates on a presidential ballot

A whistle-stop campaign is best described by the second choice:
short campaign speeches given by a politician from a train
This takes its name from how trains would stop at various stations with a whistle sound, and a politician would speak for a short while to gain campaign support, then quickly leave with the train for the next station to do the same thing.

The answer to it id that this is a characteristic of a whistle-stop campaign and this is short campaign speeches given by a politician from a train. This is because the politicians are like the whistle sound were they can say what they want to the public but after the election, they will leave.