Complex sentence: This caused the boundary negotiations to be swept into a wider agreement concluded on 3 December 1925 between the British and Irish governments, resolving the financial matters of the Treaty in exchange for an agreement to leave the border unchanged.
Split into simpler sentences: This caused the boundary negotiations to be swept into a wider agreement concluded on 3 December 1925 between the British and Irish governments. The agreement resolved the financial matters of the Treaty in exchange for an agreement to leave the border unchanged.