Answer: She was aware of Roman power.
Explanation:
In addition to being aware of how powerful the empire of Cleopatra was, Rome had a close relationship with the very top of the Roman empire. She, aided by Rome, ruled Egypt, so it had the protection of Rome itself. Cleopatra is the last ruler of Egypt from the Ptolemaic dynasty. After her death, Egypt fell completely under Roman rule, implying that Cleopatra had developed diplomatic skills.
