I had this random thought, I wonder if it holds water: The EU states are (fairly) confident in their status as independent countries, and thus dare subject the

I had this random thought, I wonder if it holds water: The EU states are (fairly) confident in their status as independent countries, and thus dare subject themselves to and implement such things as SEPA. While the U.S. is a single country, the states within are not independent countries and, very aware of that, try to defend their independence within the union at every turn.