Final answer:
Lucius Cornelius Sulla seized Rome and targeted the Populares during his dictatorship, implementing major reforms and often using violent means to maintain control.
Step-by-step explanation:
Lucius Cornelius Sulla used his armies to seize Rome and conduct a reign of terror against the Populares faction. Sulla, a Roman general and dictator, utilized the loyalty of his troops to overpower opposition and reform the Roman government to his own design. After being appointed dictator, he could override legal constraints, leading to drastic and sometimes violent changes in Roman society and politics, such as the proscriptions, where numerous people of the opposing faction were listed and often executed, with their properties confiscated.