The main benefit of slavery to governments in the colonies is that it provided a system of almost entirely free labor, since the slaves were not compensated for their work, which took place primarily in fields. <span />
You just created a question that will probably get removed by admins.
No. The Crusades was a series of three conquests commissioned by the Catholic Church to free Jerusalem from the hold of the Muslims who were occupying Palestine.
That should be the scientific revolution. That's when people started abandoning the ideas that the church presented and they started focusing on science. It was then discovered that Earth is not in the center but rather goes around the Sun, and Newton made his laws and science and education flourished during that period.
