Which of the following system of government is currently used by the most nation

Socialist nations typically have authoritative governments that do not allow for democratic principles. I wanna say either Dictatorship or Socialism, try Dictatorship first. If it's a no then it has to be Socialism.

hope i help

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893