This is because both Puerto Rico and the Virgin Islands were unincorporated territories of the United States with the U.S president as head of State. There was no need to patrol Puerto Rico and the Virgin Islands as the U.S blockade was against Cuba, not against the two U.S territories.
According to IT Camazotz is like paradise that is all the information I have for you sorry I wasn’t specific
What the cartoons artist was trying to convey about American society by portraying uncle Sam and the statue of liberty talking is that government action is not always in line with liberty, and that sometimes it much be challenged