Complex sentence: Much of the Open Spaces Society's work is about the preservation and creation of public paths --' footpaths'was included in the Society's title after it amalgamated with the National Footpaths Preservation Society in 1899.
Split into simpler sentences: Much of the Open Spaces Society's work is concerned with the preservation and creation of public paths. The word' footpaths'was included in the Society's title after it amalgamated with the National Footpaths Preservation Society in 1899.