The argument over the use and worship of idols greatly contributed to the Great Schism between the Eastern and Western Christian churches.
The efforts of Spain had a long and lasting impact. -apex (please leave rating if this helps)
I think it is D: the spread of the Roman Catholic Church.
It's true.
Also it means
1. desegregated, especially racially
2. with various parts or aspects linked or coordinated
3. indicating the mean value or total sum of a variable quantity of property
Certain religious beliefs