answer: d
stocky bodies with thick fur and feathers
The best and most correct answer among the choices provided by your question is the first choice or letter A. The trade barrier is an example of an embargo.
An embargo<span> (from the Spanish </span>embargo<span>, meaning hindrance, obstruction, etc. in a general sense, a trading ban in trade terminology and literally "distraint" in juridic parlance) is the partial or complete prohibition of commerce and trade with a particular country or a group of countries.</span>
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Potatoes tomatoes other dry foods such as wheat
A nation that rules several other nations is referred to as an Empire.