In 1913, Norman Angell published a book called "The Great Illusion" in which he argued that the use of military force had become economically futile due to the

In 1913, Norman Angell published a book called "The Great Illusion" in which he argued that the use of military force had become economically futile due to the interconnectedness of international finance and trade. World War I started one year later. Trade and interconnectedness probably have a net positive effect on reducing war, but not a reliable guarantee.