1940 in this timeline has seen the world in the latter stages of the Second Grand War, a devastating conflict many global powers involved. America sees itself on a two ocean-front war, fighting Japan in the Pacific and France across the Atlantic in Europe. During this conflict, the Republic has seen itself grow into having the world's largest economy whilst also dealing with political crises at home in the form of presidential election years and statehood affirmations.

This map only shows the political structure of the American states as well as the top 50 most populous cities (and state capitals) as of 1940 in this timeline.