Which of the following factors helped trade to thrive during the Roman empire? Select all that apply.
Please help! 99 points, and please only answer if you are sure.
A peace throughout the empire
B. a shared religion throughout the empire
C. a language similar to that of trading partner nations
D. a network of good roads
E. naval victories against pirates
F. a common currency throughout the empire
G. Rome's ability to grow crops found nowhere else in the world