"Jewish" practices customary in Southern Sudan (xposted widely)

This begs the chicken & egg question: do these practices indicate Jewish ancestry of the southern Sudanese, or OTOH were the customs codified in the Torah more wide spread in ancient northeast Africa and west Asia?

http://www.jewishpost.com/jewishpost/jp0202/jpn202e.htm

"Jewish" practices customary in Southern Sudan (xposted widely)

This begs the chicken & egg question: do these practices indicate Jewish ancestry of the southern Sudanese, or OTOH were the customs codified in the Torah more wide spread in ancient northeast Africa and west Asia?

http://www.jewishpost.com/jewishpost/jp0202/jpn202e.htm