Why were the Romans interested in their own history?

Cocky

Explanation:

Although they had isnterest in others history, they were... cocky to put it in a simple term. There were many Romans who wrote about other's histories, but a vast majority of famous historians wrote about life around them.

Not sure if this helped but yeah.

if a bill passes in the house of representatives, it goes through a similar process in the senate. before a bill becomes law, it must be approved by both chambers of the legislature. the bill must pass with the same wording in the house of representatives and the senate before it can go to the governor for approval.