This is a type of protectionist trade restriction that sets a physical limit on the quantity of a good that can be imported into a country in a given period of time.

Quota

Explanation:

This is an example of quota. A quota is when a physical limit is set on the number of imports a country can make of a specific type of a product. Protectionists implement this to safe guard the local industry. They allow a certain number of imports for the quota imposed product so that even after imports there is enough market demand that local produce of the similar product can be sold. Quotas may also be imposed to restrict imports in general to correct balance of trade or as a retaliation to other countries who might have imposed quotas on local exports.

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lady gaga

explanation:

lady gaga's real name is stefani joanne angelina germanotta.