Read the following selection from the selection.

"In the Senate when they're trying to get to 51 votes to pass a bill, every vote counts," he says. "That's when the smaller states can demand amendments and additions to bills to look out for their own state's interest." Such benefits are often referred to as "pork barrel" legislation.

Why did the author include this idea in the article?

A. to elaborate on the way the Great compromise affects states' power
B. to introduce the fact that bills need at least 51 votes to pass the Senate
C. to emphasize the importance of the pork products in smaller states' wealth
D. to illustrate the causes of disagreements about the Electoral College