This resource presents comprehensive coverage of the World War I period. "World War I: Almanac" contains 12 chapters covering major topics related to the period, including the roots of the war; causes of U.S. involvement; the Espionage Act and Sedition Act; weapons of mass destruction; and more. Other features include photos and maps, a detailed chronology of events, sidebars featuring related information, an index, a glossary of "Words to Know," research and activity ideas, and a list of further reading sources.