Kammala wannan jumla: Gwamnatin Amurka ta shiga kuma ta tsoma baki, a fili da kuma a ɓoye, a maye gurbin gwamnatocin ƙasashen waje. A cikin rabin rabin karni na 19, gwamnatin Amurka ta fara aiki don sauya tsarin mulki musamman a Latin Amurka da kudu maso yammacin Pacific, ciki har da Mutanen Espanya-Amurka da Amurka.
Yaƙe-yaƙe na Philippine-Amurka. A farkon ƙarni na 20, Amirka ta kafa ko kuma kafa gwamnatoci a ƙasashe da yawa a duniya, har da ƙasashen da ke makwabtaka da ita Panama, Honduras, Nicaragua, Mexico, Haiti, da Jamhuriyar Dominica.