The Bureau of Counterterrorism seeks international allies for missions to catch terrorists .
The USA Patriot Act allows the government to monitor personal communication of US citizens.
The Department of Homeland Security protects US territory from terrorists and other attacks.
All of these departments/laws were passed in an effort to increase security after the terrorist attacks that took place on September 11th, 2001.
In 1803 Robert Livingston and James Monroe were sent to France to negotiate the purchase of the Louisiana Purchase. Originally the two met set out only to purchase New Orleans and the surround territory, however, by the end they eventually purchased the massive track of land that extended beyond the Mississippi River which greatly expanded the size of the United States.
