No,Circumcision definitely dates back to the ancient Egyptians. which is most likely also origin Hebrew circumcision.
The origin of circumcision is unknown. According to the Torah, Abraham circumcised himself and Isaac, but it is unknown if the tradition was known to other peoples at the time.
From the Hebrews
Not really it would be a double positive circumcision is surgery.
The outward sign was, and still is, the brit milah (ברית מילה), which is the covenant of circumcision.
If you are referring to African slaves, then no, they came from Africa. The Ancient Hebrews came from Asia.
it really hurts after 5 or 6 days you will be healed.
it really originates from barry
i dont know really
No. Really.
the only reason they say it is necessary is for sanitary purpose. Other then that there is no "medical" advantage to having a circumcision.
i dont really know
Personal choice, there really isn't any good or bad to it.
No. circumcision status has no affect on pain regarding gay sex.