Scottish nationalism
Within politics , Scottish nationalism was held as a key ideology by the National Party of Scotland which later became the Scottish National Party . Their rise in popularity since the start of the 21st century led to the 2014 Scottish independence referendum . 
<triplet> National Party of Scotland <subj> Scottish National Party <obj> replaced by <triplet> Scottish National Party <subj> Scottish nationalism <obj> political ideology <subj> National Party of Scotland <obj> replaces