Concept:Trade barriers are government measures that limit or control the international flow of goods and services.
Explanation:Tariffs are taxes imposed on imported goods, making them more expensive.
Quotas are limits placed on the quantity of goods that may be imported.
Embargoes are official bans on trade with a particular country or on specific goods.
All these measures are designed to restrict foreign trade and protect domestic industries.
They are not tools of monetary, fiscal, or foreign exchange policy.
Hence, they are grouped together as trade restriction policies.
Answer:Option A — trade restriction policies.