Goldstone theorizes that revolutions are because of forcible political change because of elites of attacking a weakened ruler or government instead of aiding the situation
Tobacco, rice and indigo were the main crops grown in the southern colonies .
One thing that happened during the Crusaders was a temporary unification of muslim forces under the banner of a famous general called Saladin. He unified muslim forces which were fighting each other (most notably Seljuk Turks with their minor skirmishes before the First Crusade) and managed to create one united muslim force.
