Roman military tactics — disciplined formations, engineering, and logistics — shaped modern warfare: standing armies, siegecraft, and strategic mobility across Europe.
A concise overview of the Roman Republic's political structure and its decline: Initially designed to prevent tyranny through a balance of power, the Republic faced internal conflicts due to economic and social tensions. These conflicts led to civil wars, as figures like Sulla, Pompey, and Octavian struggled for control, ultimately dismantling the Republic and paving the way for autocratic rule.