On April 17, 1898, Congress declared war on Spain, initiating the Spanish-American War. Here is an insider's history of the war, written by the Secretary of War during the conflict. Chapters include, "Unpreparedness for War," "After the Capture of San Juan," "Siege and Surrender of Santiago," and The Tagalog Rebellion." His firsthand account of the administration, battles, and lasting effects of the war is interesting reading for students of history.