Originally, it was formed after World War II as an organization facilitating international cooperation and peace-keeping. Over time, mainly during the initial and middle phases of the Martian colonization, it became more similar to a federal government, creating its own joint millitary in 2093. After the last international conflicts died down, humanity chose to unify all of its national administrations into one planetary federal government, whose structure mimicked that of the United Americas, but with its particular functions and election cicles.