Kammala jumla mai zuwa: A ƙarshen karni na 19, kuma zuwa cikin karni na 20, Sojojin Amurka da Marine Corps sun shiga cikin ayyukan soja da yawa a cikin ƙasashe da yawa na Caribbean da Latin Amurka kafin da bayan Yaƙin Duniya na I. Bayan Yakin Mutanen Espanya da Amurka ya ƙare a 1898, Manjo Janar Leonard Wood ya dawo da tsari a Cuba tare da sojojin CA. Sojojin sun koma Cuba a 1905, kuma a 1912, kuma tun daga 1917, ya kasance a can har tsawon shekaru. An kira Marine Corps don kare bukatun Amurka ta hanyar shiga tsakani a Jamhuriyar Dominica (1916<unk>1924),
Haiti (1915 <unk> 1934), da kuma Nicaragua (1926 <unk> 1934). An kuma kira sojojin zuwa Panama a 1903 don tabbatar da haihuwar wannan al'umma lokacin da ta rabu da Colombia don zama mai zaman kanta.