Which of the following is an example of a trade barrier?

A.

capitalism

B.

tariff

C.

gross domestic product

D.

comparative advantage

B

Explanation:

High tariff's lead to a trade barrier. A tariff is a tax on goods traded between sovereign countries. Trade between countries was designed to be a barter in which the net trade was equal. This is currently ongoing between the US and China, as well as Mexico/Canada/US.