An import tariff is a tax placed by governments on commodities that are shipped into a country from a foreign country. Import tariffs are often a way to discourage a country's consumers from buying products from another country and to support domestic products and services.
A tariff is a tax that is placed on an imported goods. The idea is to collect money for the government & to give domestic businesses a chance to sell better in their country by offering competitive prices. Doesn't work to well here