It is the basic American right of "due process" that has its origins in article 39 of the magna carta, since the Magna Carta claimed that no person should be stripped of rights of property without a lawful judgement.
Representatives of Spain and the United States signed a peace treaty in Paris on December 10, 1898, which established the independence of Cuba, ceded Puerto Rico and Guam to the United States, and allowed the victorious power to purchase the Philippines Islands from Spain for $20 million.