A common tool for restricting trade is:

Question

Quizplus · Accepted Answer

All of these measures have the potential to restrict trade. A quota is a limit on the quantity of a specific good that can be imported into a country, which can limit competition from foreign producers. A tariff is a tax on imported goods, which can make them more expensive and less competitive compared to domestically produced goods. Lengthening the import paperwork process can effectively delay or even discourage imports, ultimately limiting trade.

A Common Tool for Restricting Trade Is