Which type of government is an alliance of independence states

An alliance of independent states is typically referred to as a confederation. A confederation is a type of government in which several independent states come together and delegate certain powers to a central authority while retaining their sovereignty. In a confederation, the central authority has limited powers and its primary purpose is to coordinate common interests among the member states rather than exert control over them.

To find this answer, you could have searched using keywords such as "type of government with independent states alliance" or "government system of independent states coming together." By researching these keywords, you would likely come across information about confederations as a type of government formed by the cooperation of independent states.