The reason that American settlers felt it was necessary to remove the native Americans from the land they were invading was because they felt that they were a threat, and would attack them for encroaching on their land and property.
Answer:
The Consumer Price Index/CPI
<span>The nonprofit group population communications international uses the principles of observational learning. With observational learning the observer views the actions and behavior of other people. The observer will then mimic the behavior and use it when necessary. For the observer to fully comprehend the behavior performed he or she must remain attentive, be able to retain the info, copy the behavior successfully.</span>