Fillmore had difficulties regarding Cuba; many Southerners hoped to see the island part of the U.S. as slave territory: Cuba was a colony of Spain where slavery was practiced.
Fillmore a avut dificultăți în privința Cubei; mulți sudiști sperau să vadă insula ca parte a teritoriului de sclavi al S.U.A.: Cuba era o colonie a Spaniei unde se practica sclavia.