Answer:
1.The main idea of the text is to inform the reader of the circumstances leading to the formation of the Roman Republic and how it was run.
2. Details from the text to support this include;
a. "After the Roman people and the senate revolted and expelled Tarquin from the city, they formed a new government without a King in 509 BC".
b. "Under the Roman Republic, the government of Rome was ruled by two elected leaders called consuls."
Step-by-step explanation:
The main idea of a text is the primary message that the speaker wishes to convey. In the passage above, the reader is informed of the main factor that prompted the formation of the Roman Republic. This Republic was formed after Tarquin was expelled from the city. The reader is also given some information on how this Republic was run.
Two leaders known as consuls ruled the city for a year after which they were advised by the Senate. These two pieces of information form the main idea of the text.