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
By adding Arkansas' territory to the United States, the Louisiana Purchase forever removed the fate of the future state's indigenous peoples from the hands of the French and Spanish, who had been unable to appropriate native lands on a large scale, and placed it into the hands of the Americans.