There use of mathematics advanced tools / weapons <span />
C. In the Industrial Revolution, there were little to no laws protecting workers, so this meant that working class children could work to make money for their family.
Explanation: No, this shouldn't be a law because if a theif overcomes you in a fight because you cant use a weapon then he could kill you. The theif is also a criminal not worthy of this life if he wants to steal, so killing him wouldnt be as big of a problem. If the theif runs away with items then using a weapon could stop him.
C.<span>area conquered by Kublai Khan</span>