Technaly yes because without the imagrated slavery and everything we wouldent have all the recorces and/or technology we have today
The person who wrote the book the origin species is ::::Charles Darwin::::
Yes, I believe that's true.
Westward expansion was a natural progression for the nation because the most powerful entities came from the East (England). It is only natural that they spread out and conquer/capture/kill/annihilate those in their way (the true Americans/Native Americans). In doing so they conquered a whole land and taught them their ways while spreading West.