AHC: Antillean Confederation

Your challenge, should you accept it, requires you to successfully realise the proposal of Ramón Emeterio Betances to unite Cuba, the Dominican Republic, and Puerto Rico into a confederation of states. The PoD has to be before 1900, but you can speculate the alternate history beyond that year.
 
Queen Isabel II's half-brother was styled el principe de los Antilles (the prince of the Antilles) when he was elected to the theoretical throne of the United Kingdoms of Ecuador, Bolivia and Peru, by the Spanish press (that was around 1846 AFAIR). So, perhaps he gets the title, but not the crown in the south, so he ends up as prince of the Antilles as a semi-dependent of his half-sister's crown?
 
Need a way for Spain to unite these Caribbean holdings away from New Spain, especially once the mainland Americas are lost.

Giving the Prince some actual powers over them as Jonas suggested may do the trick.
 

SinghKing

Banned
So- is Haiti not invited? And if Haiti's included, could they be the ones to unify the Antilles (say, in an ATL where Toussaint L'Ouverture is more successful, and isn't betrayed by treachery)?
 
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