To an extent Rousseau believed the person had to be the strongest in the right way
Because they had a different currency than the rest of the world and wanted to compete in what historians call the "The Great Coin Race" which started in 19 A.D. and ended in 1339. The soon regretted this.
The Medici family ruled the city of Florence throughout the Renaissance. They had a major influence on the growth of the Italian Renaissance through their patronage of the arts and humanism. The Medici family were wool merchants and bankers. Both businesses were very profitable and the family became extremely wealthy.