William Leonard Langer fu uno storico specializzato nella diplomazia tra la fine del XIX e l'inizio del XX secolo. Laureato all'Università di Harvard, insegnò alla Clark University prima di accettare una nomina all'Università di Harvard, dove alla fine divenne presidente del dipartimento di storia. Durante la Seconda Guerra Mondiale fu in congedo come capo della Divisione Ricerca e Analisi dell'Office of Strategic Services e nel 1957 fu presidente dell'American Historical Association.
The book delves into various crises that shape societies, examining their causes and consequences. It offers insights into human behavior during tumultuous times and explores themes of resilience and adaptation. Through a series of case studies, readers gain a deeper understanding of how individuals and communities respond to challenges, making it a thought-provoking read for those interested in sociology and current events.
Chronologically arranged. Has Maps and Geneologcal Tables. Excellent reference. Volume is indexed by name, title, occupation, event, place, time. Appendices include Tables of Kings & Pharohs (Rulers) by Nation Popes Emporers of Rome Members of the United Nations by order of admission (nations) Presidents List of European universities founded before 1900 New World and more..
On t.p.: Ancient, medieval and modern--chronologically arranged.