Adam smith was a philosopher who wrote about capitalism.
Civilization in each region developed advance math,science, and engineering.
3rd Amendment - <span>No </span>Soldier <span>shall, in time of peace be </span>quartered<span> in any house, without the consent of the Owner, nor in time of war, but in a manner to be prescribed by law.</span>
Well you can rule out communism since that is not an economic system but a system of government. Socialism is the answer you are looking for. Socialism involves the division of everything into equal parts. No economic classes is a major trait of Socialism.
