Social class division an more complex religious beliefs.
Its B i think because i don't know this much or that i'm right....
During the early 1800s, America was a young nation whose political and economic structure was not as strong as it is today. As a result America had to face crop, insuarance and banking failures together with drops in the price of the cotton and the stock market and a crisis of credit and cash. It brought what was known as the economic panics.
The earliest attempt by the Romans to create a code of law was the Laws of the Twelve Tables. A commission of ten men (Decemviri) was appointed (c. 455 B.C.) to draw up a code of law binding on both patrician and plebeian and which consuls would have to enforce.
Your answer would be Pythagoras ;)