Having formed itself as a nation state of global reach through a process of expansion that was aggressive and continental in scope but had avoided conflict with other major powers, America’s strategic outlook was different from either that of the old power states like Britain and France or their newly arrived competitors – Germany, Japan and Italy. As it emerged onto the world stage at the end of the nineteenth century, America quickly realized its interest in ending the intense international rivalry which since the 1870s had defined a new age of global imperialism.
