France was the country that sold the United States the Louisiana territory, so they could have just said "no you can't have our land."
The Peace Corps, created by the John Kennedy administration, asked the youth of the privileged American country to share that privilege. In an effort to spread American wealth and influence, the youth were asked to combat communism by creating infrastructure systems and education to impoverished nations. Many Peace Corps workers were sent to countries who had been released from colonial rule following WWII. This program has continued to grow to included medical assistance in addition to building and education programs.
The answer is Vasco De Gama.
