Answer: The correct answer is A-Plato.
Explanation: It was founded in 428 B.C. by Plato and he called it The Academy.
European leaders responded to Islamic expansion in a very violent way. Following the initial incursions of the Islamic forces in those years, the European leaders decided it was time to take up arms and fight them in their own lands - what followed were the Crusades.
Someone important...
hahaha, sorry
John D. Rockefeller was an American business magnate and philanthropist in the oil industry. He is considered to be the wealthiest American, and the richest in modern history.
P.S. a simple google search would give you the answer ;)