The Enlightenment scientists' natural laws were

The theory of natural law was a vital part of the Enlightenment as evidenced by the writings of Grotius, Locke, and Pufendorf in the seventeenth century and Vattel and Burlamaqui in the eighteenth.

Explanation:

Natural law in the Enlightenment and the modern era Other Scholastic thinkers, including the Franciscan philosophers John Duns Scotus (1266–1308) and William of Ockham (c. 1285–1347/49) and the Spanish theologian Francisco Suárez (1548–1617), emphasized divine will instead of divine reason as the source of law.

The idea that society is a social contract between the government and the governed stemmed from the Enlightenment as well. Widespread education for children and the founding of universities and libraries also came about as a result.

What were some results of the Enlightenment? The French Revolution and the American Revolution were almost direct results of Enlightenment thinking. The idea that society is a social contract between the government and the governed stemmed from the Enlightenment as well.

i think it was   tsar alexander ii