Previously released FBI files document a spate of threats against Ted Kennedy in the weeks after Robert Kennedy's assassination in June 1968, and five years after their older brother, President John F. Kennedy, was killed. Several of the letters appeared to be written in the same hand.
Who were the Louisiana territory explorers? Meriweather Lewis and William Clark led the expedition that explored the Louisiana Territory for the US government. Edit
What series of events led to the Louisiana Purchase? American pioneers used the Mississippi River and the port of New Orleans to ship goods to the East Coast and Europe. The Spanish closed the port to American trade, and the pioneers could not ship their products. Jefferson became interested in buying the port.