Why did Americans steal land?

Why did Americans steal land from the natives?
Please teach!

16 ctd.

Given that such a war upon the natives was inevitable, the only question left to answer is: why did people leave europe for the Americas at all?

Everyone has their own reasons for leaving their own country to start over again, but the main ones were:
A) Escaping persecution (pilgrims were too crazy and fundamentalist for their own countries lol, also criminals)
B) Economic opportunities (Lots of land for farming; corn and sugar, and various other natural resources)

The Main thing is, the land was there to be claimed (regardless of whatever alien people said it was theirs). Someone was going to exploit it to improve their own life eventually.

Ok, now America: stop pretending to be sorry for something you never did yourself! Nobody made the land therefore nobody truly deserves it! It's in human nature to do these things!