rome, along with almost every civilization in the worlds history cannot create and manufacture all its needed goods so they needed allies to help them do so. also with them trying one of their allies got to close. so close that they took advantage of them and then defeated them thus ruling both their old and new land.
After the Punic wars and Carthage fell, its nearby rival Utica was made the capitol of the region and the leading center of Punic trade and leadership. Roman Empire was forced to rebuilt Carthage for the harbor was useless because of the accumulated silt from the grain cultivation in the Tunisian mountains that eroded the river. The fall of Carthage opened up a trading sea route as it is in the outlet of the Majardah river,Tunisia's only river which flowed all year long.
The correct answer is Siddhartha Gautama.
Gautama was born in modern day Nepal and was the son of a Chieftain. He eventually left the life of worldly possessions and went on a journey of discovery. His teachings would eventually become Buddhism and revolve around four noble truths and a path to peace and understanding.