Similarity #1Both roman republic and the United States have a tripartite system. That means the government is made up of three branches. The three branches are legislative, judicial, and executiveSimilarity #2Both governments have the power to veto. The veto means "I forbid" in the United States only the president has the power to veto. In a Roman republic, only the two consoles have the power to veto.Similarity #3Both governments have a checks and balances system. That means no branch in the government can take all of the power