In north america, what was the "black gold" of the far north?
a. cod.
b. furs.
c. a special kind of gold ore that was only found in those regions.
d. african slaves.

Answer=B

Fur was considered the black gold of the far north.

Though typically, that which is called the  great schism  refers to the east-west  schism. it was the greatest  effect  of the east-west  schism  was the creation of two separate churches that had previously been mixed under one church, the eastern orthodox church and the roman catholic church.