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
In Mesopotamia, priests were equal to the king in power, they were basically the middle ground between God and human beings. They depended on the priests to help them be closer to their Gods, providing success in every area of life
Has sustained very little destruction