The establishment of the Roman Republic was established for Rome to have a system of government.
Christianity, decadence, lead, monetary trouble, and military problems caused the fall of Rome.
A period of peace in Rome.
Wars between Rome and Carthage for Carthage's power and land.
Julius Caesar was killed because people were afraid that he would become to much like an Emperor. In the end Rome became an Empire with multiple Emperors.
Augustus Caesar became emperor after he had defeated Marc Antony and received the name "Caesar" from the Senate.
Died without having an emperor to rule after him.
Jesus died while being nailed on the cross.