the two factors are inertia and gravity
That's false, you want to shift the car into neutral, slow down and guide the car to a safe location where you can turn off the car.
The answer is: Because when the Quakers came along their ideas were revolutionary.
Some form of law, is always the foundation of even primitive institutions. Law, as it were, has travelled a long, long blood-stained path. From acts so barbaric that they defy belief, to a modern world where much if not most of the world population is exempt from the tyrannical Rule of Man system, and benefit from a transparent Rule of Law. This time-table looks at the significant steps in the ongoing evolution of law on our planet.