America established itself as a nation and it directly bordered England's colony of Canada and the Spanish colony of Florida. In addition, although the French aided the American in fighting the British, the French were not included in the signing of the Treaty of Paris. Because American trade was no longer under the British Empire, the newly independent America became a new competitor in Atlantic trade, outside of the British Empire. Outside of world trade, the growing land mass of America had natural resources that could be exported for Atlantic Trade
It would be "Polynesia" that was a region of Oceania greatly affected by European colonization, forced slavery, and deadly diseases, since this territory was highly advantageous for countries looking to increase production and expand their empires.