Answer:
here you go
Explanation:
Federalism limits government by creating two sovereign powers—the national government and state governments—thereby restraining the influence of both. Separation of powers imposes internal limits by dividing government against itself, giving different branches separate functions and forcing them to share power.
Do you need the answer from the quadratic formula? if so:

x^2=a
-3x=b
-18=c






Your answer would then be 6 and -3
Answer:
Personality
Explanation:
In psychology, the study of personality is one of the main branches of this science.
The study of personality involves the description and explanation of different patterns of thinking and behaving in terms of some traits that people have or don't (personality traits). These traits would usually explain the difference between people's patterns of feeling, thinking and behaving.
In this example, Professor Kelly's research involves describing and explaining similarities and differences in people's patterns of thinking, feeling, and behaving. Therefore, we can say that he most likely studies a Personality theory.
When the people started losing money or family.
They encouraged Americans to move west.