In what way did the Roman government change around the time of juliuse ceaser?

Around the time of Julius Caesar, the Roman government transitioned from a Republic to a more autocratic system. Caesar's rise to power, culminating in his appointment as dictator for life in 44 BCE, undermined the traditional senatorial authority and the checks and balances of the Republic. His assassination highlighted the tensions between those who supported a more centralized leadership and those who advocated for the Republic's restoration, ultimately leading to the establishment of the Roman Empire under Augustus. This marked a significant shift in governance, moving away from collective decision-making towards imperial rule.