The correct answer is B) the number of opponents a candidate faces.
The option that has the smallest effect on the amount of money a candidate spends on a campaign is the number of opponents a candidate faces.
Money in political campaigns has become an issue of public concern in the United States. Money is the big element that influences the decision of a political campaign and the influence it has on the voters. Many times, the political candidate that has the biggest advantage in the campaign is the one who has more money. Let's remember that in campaigns, money can be considered in two ways. Soft money is the unlimited amount of money given to political organizations or parties. Hard money is the money given to candidates that are subjected to the regulation of the Federal Elections Commission.