Tariff is a tool would a nation avoid using when protecting domestic industries and businesses.
Option A
Explanation:
Tariffs can be identified as taxes that are essential, tariffs are marked as duties which are placed on goods that are to be imported. This tariffs are services made by a government that is domestic, the services implied by this government are placed on good products which are also domestic for domestic customers, this makes imported goods expensive.
The tariffs are a tool made by the political body hence therefore it is a political tool. Throughout time tariffs have been used to control the importation of goods and helps to determine which nation will have a grant favorable for most conditions of trading.