How do quotas act as barriers to trade?

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B. They force imported goods to meet certain criteria. Sorry if i'm wrong. :(

Explanation:

A quota is a government-imposed trade restriction that limits the number or monetary value of goods that a country can import or export during a particular period. Countries use quotas in international trade to help regulate the volume of trade between them and other countries. Mark me brainest please. Hope this helps. Anna ♥

D. They set limits on the total amount of imported goods.

Explanation:

It is actually option 'D.'

A quota is a trade barrier that sets a limit on the number of imported goods.

b) that he was not a free man

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.