Publication

17 Mar 2011

From the Washington Administration to the present, Congress and the President have enacted 11 separate formal declarations of war against foreign nations in five different wars. Each declaration has been preceded by a presidential request either in writing or in person before a joint session of Congress. This report provides historical background on the enactment of declarations of war and authorizations for the use of force and analyzes their legal effects under international and domestic law.

Download English (PDF, 112 pages, 816 KB)
Author Jennifer K Elsea, Richard F Grimmett
Series US Congressional Research Service Reports
Publisher Congressional Research Service (CRS)
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