Trade between continents was known as intercontinental trade or global trade.
world trade organization
To liberalize trade among nations and avoid wars created by trade and economic problems
"Free Trade" is the term that describes the idea that trade between nations creates prosperity and helps to prevent war.
world trade organization
World Trade Organization
The legal ban on trade is referred to as a trade restriction or sanction (which also has other meanings).
Development of trade routes.
Normal Trade Agreement
Trade embargoes
No
a treaty to create favorable trade terms between two nations