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.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

answer; the region experienced a surplus of food;