One reason for the success that firms have in getting the government to erect and maintain barriers to foreign competition is members of Congress who engage in logrolling, where members in districts with protected industries

A) agree to trade votes on issues that concern other members in order to uphold tariffs.
B) are permitted to not only cast their own votes but also cast votes for other Congressional members in their home state with respect to any bills involving the protected industry.
C) are legally allowed to give cash payments to other members of Congress to secure their support for the protected industry.
D) can bypass presidential approval of a bill involving the protected industry and have members of Congress directly sign the bill into law.

Answer: A