Need 25 according to the principle of self-determination, what is the only legitimate basis for the formation of a state?
a.
the nation
b.
patriotism
c.
hereditary rule
d.
inalienable rights

I honestly believe that it is A. the nation. But I do not know for sure, so, please don't fall for my answer right away.

He got it right defiantly right

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!