Sách nói: Is War Diminishing?

A study In the prevalence of war in Europe from 1400 to the present day. This small book summarises historical periods of peace compared to periods of war, as concluded by consultation with other historians, and seeks to answer the question as to if the incidence and duration of periods of national conflict were becoming more intense or not, and how the periods of war may correlate to other social trends. - Summary by Leon Harvey