Jonh Locke believed there were moral laws at work in the universe, like others laws that were ruling nature, this moral law ruled human behavior towards a natural morality, which human would be "acting in conformity with reason".
The mesosaur fossils found on the South American and African continents are explained most easily if the mesosaur swam from one continent to the other.
Mercantilism is basically when a country sends an explorer to claim land and then the country uses the claimed land to make money in order to send home. I hope this makes sense please comment me if you need further clarification