<Dl> <Dd> For nearly two decades the Italians had the excellent codes of law, a fair system of taxation, a better economic situation, and more religious and intellectual toleration than they had known for centuries...Everywhere old physical, economic, and intellectual barriers had been thrown down and the Italians had begun to be aware of a common nationality . </Dd> </Dl> <Dd> For nearly two decades the Italians had the excellent codes of law, a fair system of taxation, a better economic situation, and more religious and intellectual toleration than they had known for centuries...Everywhere old physical, economic, and intellectual barriers had been thrown down and the Italians had begun to be aware of a common nationality . </Dd> <P> Likewise in Switzerland the long - term impact of the French Revolution has been assessed by Martin: </P> <Dl> <Dd> It proclaimed the equality of citizens before the law, equality of languages, freedom of thought and faith; it created a Swiss citizenship, basis of our modern nationality, and the separation of powers, of which the old regime had no conception; it suppressed internal tariffs and other economic restraints; it unified weights and measures, reformed civil and penal law, authorized mixed marriages (between Catholics and Protestants), suppressed torture and improved justice; it developed education and public works . </Dd> </Dl>

Explain three important contributions of the french revolution to the world