Tell students that the new government of Ancient Rome was called SPQR, which stands for the Senate and the People of Rome. Describe Ancient Roman society and the two classes of the patricians and the plebeians. Describe the roles and rules for each of these social classes including slaves and freedmen. Then have students drag to put the social classes in the correct order on the pyramid. After this, introduce the tripartite government to students and the three Roman branches of government. Have students compare to the United States government system of checks and balances. Explain the role of the two consuls and the praetors, as well as the senate and the assembly. Introduce the formation and the importance of the twelve tables.