Because the us is a federation between widely different states. California and Alabama can agree on very little so they need the constitution to keep peace and

Because the us is a federation between widely different states. California and Alabama can agree on very little so they need the constitution to keep peace and the union. Is politics is completely blocked these days, so most forward movements are by executive orders and appointing judges that can find creative ways to make your political agenda happening without having to do it in the senate.