I believe D or A is either of the answers
He basic<span> principle of Mill's </span>Utilitarianism<span> is the greatest happiness principle (PU): an action is right insofar as it maximizes general utility, which Mill identifies with happiness. PU introduces a gradation of right and wrong actions.</span>
The answer is:
C(.Disagreements about land use.
There are many reasons Native Americans and European Colonists did not have a good relationship. The reason for conflict between Colonist and Indians was due to the Colonists insatiable greed for power and land.