The state, in liberal democracies, with its "ultimate power", is not really supposed to be a single entity like the One Ring, but one with powers separated into

The state, in liberal democracies, with its "ultimate power", is not really supposed to be a single entity like the One Ring, but one with powers separated into three branches (like the 3 Elven Rings ??). So, if they were all purchased, how did it happen ?