In 1803, part of which two Canadian provinces were bought by the USA from France with the Louisiana Purchase, and ceded to Great Britain in 1818?
Louisiana (New France) France regained sovereignty of the western territory in the secret Third Treaty of San Ildefonso of 1800. But strained by obligations in Europe, Napoleon Bonaparte sold the territory to the United States in the Louisiana Purchase of 1803, ending France's presence in Louisiana. The United States ceded part of the Louisiana Purchase to the United Kingdom in the Treaty of 1818. This section lies above the 49th parallel north in a part of present-day Alberta and Saskatchewan. In the 18th century, Louisiana included most of the Mississippi River basin (see drawing alongside) from what is now the Midwestern United States
Louisiana Purchase Louisiana Purchase The Louisiana Purchase ( "Sale of Louisiana") was the acquisition of the Louisiana territory () by the United States from France in 1803. The U.S. paid fifty million francs ($11,250,000) and a cancellation of debts worth eighteen million francs ($3,750,000) for a total of sixty-eight million francs ($15 million, equivalent to about $600 billion given the GDP of 2017. The Louisiana territory included land from fifteen present U.S. states and two Canadian provinces. The territory contained land that forms Arkansas, Missouri, Iowa, Oklahoma, Kansas, and Nebraska; the portion of Minnesota west of the Mississippi River; a large portion