If the cause was, "the cotton gin cleaned cotton much faster," what was the effect?

The effect was that way before cotton gins were invented, slaves needed to clean cottons by hand, and a cotton gin cleans a cotton perfectly and much more faster than a slave cleaning the cotton and the cotton gin could clean more cottons at once than a slave cleaning cottons one by one.

a widespread disease that killed many people

the split of the christian church

invasion from arab muslims