C - Africa.
The Sahara Desert covers much of the northern third of the African Continent. In fact, it is the largest desert in the world!
The Address would be the famous, Gettysburg Address. So that being said, the battle would be Gettysburg.
D the peasants were acutely aware of their situation
Answer:
C. a system of checks and balances
Explanation:
A government is a system or group of people who are responsible for making decisions on the day to day affairs of an organized community or state.
Normally, in a state a government allows for separation of power among different braches. These branches have separate and independent powers. Therefore they is a need for check and balances.
Checks and balances is a system that allows each of these branch of government to veto another branch thereby preventing any of the branch from gaining too much power.