Categories International Relations A voluntary union of sovereign and independent states is called: Post author By esimpk Post date June 19, 2021 No Comments on A voluntary union of sovereign and independent states is called: (a) Federation (b) Confederation (c) Unitary State (d) None of these ← Author of the book ̳Capital‘ is‖: → Author of the book ̳Leviathan‘ is: Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.