Slavery helped support the rich by tending to the things that made them richer (the plantations).
In MY opinion the most important transportation invention was the train.
The government has more power then the Roman
George Washington's early military career (1754-1758)—during the Seven Years' War—was not uniformly successful. In his first battle, he and his men were ambushed and forced to surrender Fort Necessity on the Pennsylvania frontier. ... Washington led the surviving British and Colonial soldiers on a successful retreat.