posted mostly because i thought it was funny, the ML USA orgs map is propably big too but not as much i think
also im surprised how castroism is a big influence on some trot orgs, its probably the ones that are anti-embargo are also castro influenced 
Posadas was a trot and fairly influential in mid-century LatAm. Posadists played some role in the Cuban revolution, so there's a historic trot to Cuba connection even though Cuba was allied to the USSR.