The document discusses key terms and aspects of the early Roman republican government. It begins by defining important terms like tribunes, republic, senate, and the conflict of the orders between patricians and plebeians. It then summarizes Rome's conversion to a republic after the overthrow of the last king, Tarquin the Proud. The branches of government are outlined including the executive consuls, legislative assemblies and senate, and judiciary courts and praetors. The plebeians demanded and received the Twelve Tables law code in 449 BC. The document also discusses Roman military strength, traditions, and legislation being made by the assemblies according to historian Polybius.