Why did the number of immigrants fall after 1660

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

Type the corect answer in the box.there were many causes of the enlightenment. however, a particular revolution played an important role in its development. this revolution was a result of discoveries made by scientists such as isaac newton and galileo galilei. they dug deep into the realms of science to discover new laws of physics and decipher the mysteries of the universe. the revolution refuted the claims of the catholic church about the position of earth in the solar system.this revolution is called what?

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?