Answer:
imposed either to raise revenue (revenue tariffs) or to shield domestic producers from foreign competition (protective tariffs).
Explanation:
A tariff is a compulsory sum levied on the importation of goods. the purpose of tariffs is either to raise revenue (revenue tariffs) or to shield domestic producers from foreign competition (protective tariffs). by imposing tariffs, imported goods become more expensive. this discourages importation and encourages individuals to patronise locally produced goods.