If the Dominican Republic had decided in 2013 to nationalize its industries, announcing a deadline of June 17, 2015 for the expropriation of all foreign-owned enterprises on its side of the island, it is unlikely that the US would throw its hands up and say nothing could be done because the DR was a sovereign country. We know it is unlikely, because the US overthrew the president on the other side of the island in 1991 and in 2004 for trying to raise the minimum wage. More likely, there would be a regime change in the DR and a more friendly government would be put in place, to much celebration from US elites and media.
But when, a court in the DR pronounced "La Sentencia" in 2013, stripping Dominicans - people born in the DR - to undocumented Haitian parents of citizenship, and the Dominican Congress established a June 17, 2015 deadline for these hundreds of thousands of Dominicans of Haitian descent to establish residency by navigating a bureaucratic labyrinth of unbelievable complexity, US officials mumbled their concern. Since June, tens of thousands of Dominicans of Haitian descent have left the DR. Greg Grandin, writing in the Nation, has called it a "slow-motion, undercover pogrom". They have left under threat of violence. They have accepted "voluntary" deportation because their only alternative was involuntary deportation. They are living in camps on the border between Haiti and the DR, not unlike the camps where hundreds of thousands of people were forced to live after the 2010 earthquake in Haiti.
Displaced people living in camps have reached the culmination of a process that renders them without power or protection. The natural disaster of the earthquake was prolonged and made vastly more deadly by Haiti's lack of sovereignty. This completely engineered disaster of deportation shows how Haiti's lack of sovereignty is intertwined with the DR's.
Now that North American media have begun to publish on the deportations, many of them discuss Haiti's invasion of the DR in 1822. Historian Anna Ellner helps make sense of this 19th century history, and reveals it to be completely distorted in most accounts. Ellner (whose excellent blog post was linked by Grandin, who has also helped maintain a focus on this issue) presents a different history, one in which Haiti and the DR were "siblings in a struggle for freedom".