Answer:
Babylonians
Explanation:
they aquired through trade
In 13 short years Alexander conquered a mere 3,000 miles which stretched from Greece, through the Middle East, and to Central Asia and the Indian subcontinent.
I would say B) and D) apply to some of the differences between a Prime Minister and a President and also A). In addition, a Prime Minister is head of the government but may not be head of the state which may be a President in the same country or perhaps a Governor General.