A Divisive Issue, Can Have Serious Consequences

This page is the CodyCross answer for the clue below from La Bella Roma, Group 419, Puzzle 1 (Basilica San Clemente).

Question is: A Divisive Issue, Can Have Serious Consequences

and the answer is: FAULTLINE

Word Meaning:

FAULT LINE — (geology) The line formed by the intersection of the plane of a fault with the surface of the Earth.

Definitions from Wiktionary.