blocks all trade with another country

Question

taxes certain classes of imported or exported goods
limits the volume of goods imported from a foreign country

Answer 1

imposes quotas on the quantity of goods that can be imported from a particular country
imposes tariffs on certain imported goods, making them more expensive for consumers
implements embargoes or sanctions, completely prohibiting trade with another country
enforces customs regulations to control and monitor the flow of goods in and out of the country