I believe you are refering to the Caravan raids which were done by people of the islamic faith.
In total there were 11 total raids
the purpose of these raids was to plunder these people of all there riches
they were believed to have been told by Allah(the higher power of the Islamic faith) to go forth and plunder these people of there riches
What made him so famous was he was a preacher that was capable of commanding thousands on two continents through the sheer power of his oratory. He preached at least 18,000 times to 10 million hearers.
The answer is gold speculators
Because they bombed pearl harbor so it was revenge.
