What is low-grade fever? A fever is an increase in the body temperature above normal. A low-grade fever is a mild elevation of the temperature above normal. Your temperature measurements fluctuate through the day and vary depending upon the site of measurement.
The Kingdom of France controlled the Louisiana territory from 1699 until it was ceded to Spain in 1762. Napoleon in 1800, hoping to re-establish an empire in North America, regained ownership of Louisiana.
The United States purchased the territory for the bargain price of fifteen million dollars. The Transfer of Upper Louisiana to the United States at St. Louis, March 9-10, 1804. The United States acquired the Territory of Louisiana from the French in May 1803. Although France had re-acquired the territory from Spain as a result of a secret treaty in 1800, Spain was still administering Upper Louisiana when the Louisiana Purchase occurred. The Louisiana Territory was passed from Spain to France, and then to the United States in a unique ceremony held in St. Louis on March 9-10, 1804.