Answer:
Quota
Step-by-step explanation:
A quota is a trade restriction imposed by the government that limits the number of goods that can be imported or exportes by a country at a time. In international trade, quotas help to regulate the volume of trade between the countries during a particular period.
In 2011 the first united states department of agriculture increased its annual sugar-import limit to 1.6 million tons of the year.
This situation is describing quota.