The Treaty of Concordia allows freedom of movement between both parts of the island, which has promoted a common sentiment among the island's inhabitants, although this is also the reason why some see a formal unification as unnecessary. Other arguments against unification of the island are that neither France nor the Netherlands would allow it and that both sides would require full independence to achieve it.
the treaty of concordia allows freedom of movement between both parts of the island which has promoted a common sentiment among the island's inhabitants although this is also the reason why some see a formal unification as unnecessary other arguments against unification of the island are that neither france nor the netherlands would allow it and that both sides would require full independence to achieve it