It provided the philosophical underpinnings that is reflected in the Declaration of Independence.
They give a fair trial with a jury
Give protection over unjust treatment
Give right to a speedy trial
B. I remember doing this and this made me type 20 letters
we study the government because it actually helps us in the future. for example it help us make good decisions when current events, economic and social problems directly effect you. it helps you apply your understanding when you are voting etc. hope it helped.