Its when one Country makes it illegal to sell products & produce to Another Country.This is usually done to put pressure on the Country being boycotted.There is normally some political reason for this.
An embargo
It's called an Embargo.
embargo
When a government bans trade with other countries it can be called embargo or boycotting, depending on the circumstances. Embargo is when a government bans trade with another country in attempt to isolate it. Boycotting is when trade is ban in order to intimidate or show disapproval and need for change.
British
A ban on trade with another country, often referred to as a trade embargo, is a governmental restriction that prohibits the exchange of goods and services between nations. Such measures are typically implemented for political reasons, such as to pressure a government to change its policies, to respond to violations of international law, or to protect national security interests. Trade embargoes can significantly impact the economies of the countries involved and may lead to broader diplomatic tensions.
Order that restricks or prohibits (stops) trade with another countrya government prohibiting the movement of merchant ships into or out of its ports or a prohibition by a government on certain or all trades with foreign nations.
Great Brittan by 1807 is was completely banned in the country
trade with Another Country
From 1616-1852 in the period known as Sakoku meaing "locked country, or chained country"
The Embargo Act!
it means when a country asked another country to trade they say it on status