What were the results of the Louisiana purchase on American nationalism?
It began the expansion of the united states to encompass north america!
When Jefferson was President, Britain and America signed a treaty (signed April 30, 1803) thus making the Louisiana Purchase. The following are the outcomes/results of this treaty: It doubled the size of the US Jefferson sent out the Lewis and Clark expedition to explore the land Great Britain and the US signed a treaty settling the territory's northern border
The primary reason is due to the fact that it was fought by the current world powers of the day on both the European (under the name of the Seven Years War) and North American continents. The results being that Great Britain became the leading power in North America and France turning over to Spain what would soon be called the Louisiana Purchase.
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