An agreement between two or more states is called a multilateral agreement. Many of the agreements are to do with trade or collaboration in international development.
A formal agreement between two or more nations is called a treaty.
a treaty is an agreement between two or more nations.
interstate compact a treaty is an agreement between two nations.
treaty
When an agreement is formed between two nations the mort popular term is Treaty.
That is a treaty.
the member nations got united under an agreement.
A formal agreement between foreign nations is commonly called an accord. However, they also can be called international agreements as well.
entente
Trade embargoes
alliances?
No