The division of the Amerindians among the Spanish settlers to work as laborers was known as what?

Yo i need a catchy title for an article about the importance of the fourth amendment

Which statement best explains the role of government according to thomas hobbes

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.