Final answer:
The title 'Friend of Caesar' was significant because it denoted individuals who had a close relationship with Julius Caesar, indicating high levels of trust, loyalty, and access to power and opportunities for advancement.
Step-by-step explanation:
The title 'Friend of Caesar' is significant because it refers to individuals who had a close relationship with Julius Caesar. In ancient Rome, this title bestowed honor and prestige upon those who were trusted and valued by Caesar. It indicated a high level of trust and loyalty, and being a friend of Caesar meant having access to power, influence, and opportunities for advancement.