Treaties, agreements, parterships, alliances.
Confederation was kinda a alliance name and it is a alliance for other countries to join
Germany, Austria-Hungary and Italy formed the Triple Alliance. .
an alliance
Groups of people or countries that work together are called Alliance
group of countries in an alliance
an alliance
Bloc
AN alliance
an alliance
A group of countries is called an alliance, coalition, or bloc. These terms refer to a formal or informal association of countries with shared goals or interests.
Warsaw Pact.
There was no triple alliance.