The expansion of Rome, the ruling of Julius Caesar and his death, and the civil war that followed his death all led to the collapse of the Roman Republic.
The expansion of Rome created political, social, and economical changes. Politically, the government did not change to suit the expanding of Rome. The economic changes were that poor farmers could not afford anymore to compete with the estates run by slaves, so they sold their land to the rich. Most became urban poor, which meant they were homeless and jobless, and that the government gave them food. Social changes were that the expansion widened the gap between the rich and the poor. This gap caused tensions between the two classes, and led to the fall of the republic.
Julius Caesar came to power after he spent four years campaigning in Asia minor. He was elected Senator at age 40. For more power, he campaigned in the slums of Rome. He spent a lot of money on games that would appeal to them, and made them free to get in so all could watch. After his campaigning to the poor in Rome, he was elected Supreme Priest. In 59 B.C, when him, Pompey, and Crassus formed the first triumvirate, which basically puts him as consul. In 58 B.C, he left Rome and headed to Gaul, which there, he would become governer. Returning to Rome, and still on consul, Julius Caesar started illegally creating laws. In 56 B.C, Pompey and Crassus were to be consuls again, and Caesar's command in Gaul was extended until 49 BC. In 54 B.C, Caesar led a three-month expedition to Britain, and was the was the first Roman to cross the English Channel, but he did not establish a permanent base there. When he got back, he found news that Julia, the daughter of Julius Caesar and the wife of Pompey, had died in childbirth, which weakened the relationship of Julius and Pompey. In the following year, Crassus received command of the armies of the East, but was defeated and killed by