Roman Government: Monarchy, Aristocracy, And Democracy

Every nation needs a government. There are three basic types of government: Monarchy, Aristocracy, and Democracy. The ancient Roman system of government was a mixture of all three, consisting of a consul, a senate, and the people. The consul is characteristic of a monarchy, the senate is characteristic of an aristocracy, and the people, democracy. This paragraph is a good beginning. Remember it is a history paper and for that your reader needs dates to put it into the proper context.
The consul has two main duties he must perform. The first is the complete running of the military. As for preparation for war and the general conduct of operations in the field, their power is almost absolute. They are entitled to make whatever demands they consider appropriate upon the allies, appoint military tribunes, enroll soldiers and select those who are suitable for service. They also have the power to inflict punishment when on active service
This entails bringing all urgent business, including laws to be discussed, before the senate and public assemblies. The consul also executes the decisions of the people and the advice of the senate. You have good information in this paragraph about the consuls. I think you could add more. For example, how were the consuls chosen? What was their relationship to the senate? How did they get money and how were they allowed to spend it?
A transition here would make your paper flow better. The senate has its duties to perform as well. The senate has control of the treasury, managing the flow of public funds. It also handles all urgent business of Rome including laws that are brought before it for its examination. It drafts declarations of war and peace and communicates with foreign embassies. The senate is also responsible for investigating crimes of serious national importance, such as treason. Good. How were they chosen? How many were there? How long did they