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The United States bought the French colony of Louisiana for 15,000,000$ (341,609,734.51 in 2019 USD)
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Expedition sent by the US government to look at Louisiana and Oregon territory.
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Mexico declares independence from the crumbling Spanish empire.
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The Northern states of Mexico (Coahilas y Tejas) wins independence after a year of fighting
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The Republic of Texas officially joins the USA as the 28th state.
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United States declares war over dispute of Texan sovereignty via provoking a border clash
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The first state to leave the union and later helped form the Confederate States of America was South Carolina
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The bloodiest battle ever fought on the American Continent took place
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The official final battle (Final battle while the Confederate government still existed) happened, and a treaty of peace was signed.
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The era post civil war. It focused on rebuilding the former Confederate States of America
