Which description best defines a confederation?

A. a government in which there is a single, all-powerful ruler

B. a system in which a national government and state governments share power equally

C. a government in which all citizens vote on all major issues and the majority rules

D. a system in which states agree to form a national government, but maintain their sovereignty.

Explanation:

A confederation (also known as a confederacy or league) is a federation of sovereign nations, combined for goals of collective work usually in connection to other nations. Normally designed by a convention, confederations of countries manage to be built for dealing with significant concerns, such as security, international relations, domestic business or currency, with the global power being needed to implement support for all its divisions. Confederalism outlines the principal class of inter-governmental, this being described as ‘any sort of cooperation among states which takes place on the grounds of sovereignty or control.

d: social contract theory