What was the reason of the Inquisition, who started it, and did it do what it was supposed to do?
closed as off topic by Isaac Moses Sep 19 '11 at 0:42
Questions on Mi Yodeya are expected to relate to Judaism within the scope defined in the FAQ. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about closed questions here.
If you are referring to the Spanish Inquisition this was done by King Ferdinand and Queen Isabella who were convinced by a friar to initiate it. It was obstensibly done to fight heresy but assumed they were fighting for more political authority versus the church's authority.