<span>Greeks lived in independent sity-states
like Athens, Sparta, Thebes and others. For a long time, there was
rivalry among these states that led to Spartan hegemony and then a short
lived Thebes hegemony.</span>
Legislature can override a presidential veto by 2/3 house and senate
The main attraction was the possibility of having slaves, since the owners of farms needed cheap and very abundant labor. Precisely this great attraction of owning slaves and being able to cultivate enromes quantities of land, was what would lead to the American Civil War; being the slavery, the first reason of the great growth of the southern wealth, thanks to its enormous plantations of cotton and tobacco; but after the war, this was the reason why the southern states suffered economic crises and had to request loans from the Federal Government for reconstruction; also that the very loss of the slaves led to the economic problems of the South.
Child labor is a continuous thing related to slavery by factories not having enough employees or very poor families not being able to gain enough money would be manipulated by someone promising money and edu. for their child or selling the child into labor or forcing them into it.