The Late Roman Republic had internal turmoil in 133 BC due to the economic stagnation in the urban area of Rome caused the Roman Republic’s government underwent a violent transition from an inefficient oligarchy to a reliable dictatorship government. Among varying issues that attribute to such a transition, political infighting and the rise of private army are the most responsible ones because it is the easiest way to capture a fortress is from within, which is fixed by Augustus by use his political reform and his military reform for the empire. First of all, the civil war played a common trait in any system, but even the greatest of Romans like Scipio Africanus, became one of the victims to the whims of politicians. During the late of Roman Republic, since the destruction of Carthage in 146 BCE, Rome eventually defeated the external enemy; the Republic fell into the provincial corruption and internal civil discord that resulted from inequities in the class system. The jobless urban populace provided an opportunity to the rise of plebeian Tribuneship such as the brothers Gracchi. Through their hands, the citizen assemblies became for popular agendas tore at the Senatorial power, which resulted a political infighting in the Rome Republic. The civil war later triggered more critical problems with the military, and these issues were intersected on varying levels. According to Augustus and the Creation of the Roman Empire, “Contending generals set Rome’s armies against each other and the urban masses were easily aroused by politicians called populares for their aggressive support of the populus Romanus”.(Mellor, p.4). In addition, the wealthy eastern provinces, the Roman governors gained extraordinary personal wealth from provinces and the governors gained the loyalty of both troops and Rome’s dependent monarchs. Without a regular budget or civil service, the state relied on private, and often corrupted, entrepreneurs to collect taxes, build roads, and provision the troops (Mellor. P4). In the Rome, only few dozen senators served as magistrates and administrates and administrators at any one time, that represented the inefficiency of govern. Then, when oligarchy system failed to resolve the