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.
Meanwhile, the French army in St. Domingue was being decimated by yellow fever, and war between France and England still threatened. Napoleon decided to give up his plans for Louisiana, and offered a surprised Monroe and Livingston the entire territory of Louisiana for $15 million. Although this far exceeded their instructions from President Jefferson, they agreed. When news of the sale reached the United States, the West was elated.