as the Persians mass army conquered country after country there was more land and more soldiers willing to fight for the Persian empire it continued to be like that country after country....and that is how the Persian army get large:)
The Persian Empire.
They helped keep the large empire united.
Satrapies (Provinces).
Very large - multi-continental.
From Libya to Central Asia.
The Persian Empire.
The Persian Empire was not a person.
Persian Empire
The Persian Empire absorbed the Babylonian Empire.
Alexander the Great defeated the Persian empire
The Persian Empire absorbed the Baabylonian Empire.
Alexander conquered the Persian Empire.