Following it's declared independence in 1776 and its official independence at the Treaty of Paris in 1783, the United States of America was given land as far west as the Mississippi River. There were some calls for the nation to expand even further west, but they were mostly ignored since most of the country was content with what they already had. Since then, the USA became a small but prosperous republic in the Americas. For the most part, they are neutral in most world affairs, though they did support the Seminole Tribe when they revolted against the Spanish in the 1850's, and given access to the Gulf of Mexico has a reward for helping them out.
The British seized French Louisiana in mid 1803 during the Napoleonic Wars and kept it even after the wars conclusion. It became apart of the Dominion of Canada in the late 1880's. Britain did try to buy Russian Alaska in the 1867 but the Russians refused.
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