The correct answer is B) rivalries between classes.
The other options of the question were A) defeat in the Punic Wars. C) a refusal to build a navy. D) the invasion of Muslim armies.
What was a factor in Rome transition from a republic to an empire was "rivalries between classes."
In 509 BCE, the Roman Republic had been founded, installing a representative democracy after many years of Etruscan rule. It was after Julius Caesar's death, that his nephew Augustus became the first Roman Emperor, and the Republic became a thing of the past. Many things changed but the differences and rivalries between classes remained.
The correct answer is <span>D. When the government doesn't protect their natural rights
This isn't just related to the king, but to all types of governments. The declaration states that if the government in charge, which in their case was the king but it could've been anything else, infringes upon the rights of the people, then the people need to change the government.</span>