Complex sentence: The 1997 boundary treaty with Belarus remains un-ratified due to unresolved financial claims, stalling demarcation and reducing border security; delimitation of the land boundary with Russia is incomplete, but the parties have agreed to defer demarcation.
Split into simpler sentences: The 1997 boundary treaty with Belarus remains un-ratified due to unresolved financial claims, stalling demarcation and reducing border security. Delimitation of the land boundary with Russia is incomplete, but the parties have agreed to defer demarcation.