Which mathematical work on the laws of of motion still forms the basis for the study of motion today?

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.

Discuss the main ideas of eugenics, and explain why it is no longer a prominent belief in the united states.

Which of these constitutional amendments made all people born or naturalized in the united states into citizens of the united states ?