Which of these best describes a trade tariff? a. a tax imposed upon all imported good and services b. a prohibition of trade with a country or a group of countries c. an agreement between countries to trade specific commodities d. a government restriction on the amount of imported good or servies

The correct answer is A. A tax imposed upon all imported good and services

Explanation:

In economics, a tariff refers to a tax imposed in certain types of goods and services. In the case of trade tariffs, these are commonly imposed by the government on products and services that are from other countries or those products or services that are imported. This means a trade tariff is a tax imposed upon imported products and goods (Option A). Additionally, governments impose trade tariffs because in this way they protect the domestic national market by guaranteeing to buy national and local products is more accessible.