There were a host of events that you could say led to the fall of the republic, but the civil wars were the main ones. There was also the entrenched stubbornness of the elite members of the senate in their resistance to change. The revolt of Caesar in starting a civil war was the final step in the republic's fall.
Nationalism, Militarism, Allies and Imperialism
events that led upto the establishment of the democracy in Rome ?
Economic imperialism in China led to war and political collapse, while formal colonialism in Africa led to oppression of native peoples.
Imperialism led to competition between countries for colonies, increasing tensions.
Both led to militarism ;
The Romans stopped making payments to the Goths, so it made the Goths furious. Then the Goths sacked, or destroyed, Rome in 410 AD.
2 consuls led Ancient Rome.
The city of Rome never actually fell. It was not conquered. What fell was the western part of the Roman Empire. It fell under the strain of the invasion by the Germanic peoples.
British Imperialism
Imperialism led to the conquest if India due to imposition of a unified state system of government on India.
Imperialism led to competition between countries for colonies, increasing tensions.
Led to a confrontation in Cuba.