Not 100% what region your talking about but the colonists pushed into native American lands stealing them and killing them when they refused to move.
Colonist also brought diseases from Europe that killed a large number of the native population and creating fights with them. Native Americans would raid colonies and vice versa.
Yes but I need more information
The answer is: D.Its fertility rate
In citizens' demographic, fertility rate refers to the additional citizens added to a certain country population that come from conception.
We generally use that data to predict whether the country would posses enough citizens in productive age (21-55) in the near future. (without enough citizens in productive age, the country would most likely experience economic stagnation)
Dissonance
Explanation:
In cognitive dissonance, once feels inferior that id there is this imbalance feeling that one has in which they do, say or think things that usually do not fit with our already made traditions, beliefs, opinions or values, and mostly we are uncomfortable as a result of it.
It is simply known to be Inconsistency between beliefs and its action lead to mental stress of that individual.