Cause
?

effect
split in western christian church that led to two rival popes
before the church reunited.

which of the following completes the cause-and-effect table?
a. council of constantinople of 867
b. the great schism of 1054
c. the hundred years war of 1337
d. the great schism of 1378

D. The Great Schism of 1378

Explanation:

The Schism of the West, also known as the Great Schism of the West (distinct from the Great Schism of the East and the West), and often called simply Great Schism or Schism of Avignon, refers to the division that took place in the Catholic Church in the period between 1378 and 1417, when two bishops, and from 1410 even three, disputed the pontifical authority.

not sure might be he acquired the entire oregon territory from great britain