Both were fought over the government and gave more power to the common man.
Answer: As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.
Answer:
The executive, The legislature and the judiciary
A unitary government gave them too much power to the states
This historian would be using the skill of "comparative analysis," since he or she is comparing a wide variety of sources to draw a conclusion between them as a group.