"The Fremonts had saved the day. If the spice companies were to get their hands on the Fremont's valuable mineral discoveries, they would be ruined. The Sultan had forbid them from trading with the outside world. It was even feared that the Fremonts could fund any Jihad or holy struggle against the Europeans. Now, thanks to the Fremonts, the spice companies were preoccupied with the other problems of the day."
Dune