During the reign of Darius I, the Persian Empire was reorganized politically. The empire was divided into 20 provinces with local
governors, roads were built to keep it connected, and a mail system was created.
How did the reforms mentioned above help the Persian Empire?
A. They helped create a more democratic government.
B. They helped gain more money from taxation.
c. They helped to make peace with foreign enemies.
D. They helped keep the large empire united.