Campaigns in the United States Are ______

Campaigns in the United States are ______.

A) intensely pragmatic, opportunistic affairs, highly variable because they must adapt to circumstances
B) tightly scripted around economic issues because that is the only thing voters really care about
C) hard to understand because of the fact there are so many elections making it hard to find common themes
D) increasingly being replaced with short periods of campaigning where all of the candidates attend the same events so the voters can make side-by-side comparisons