This article compares the positioning behaviour of parties and reveals why one party joins a coalition. while others do not. The cases of two regionalist parties of the UK and Spain are depicted: the Scottish National Party (SNP) and Basque National Party (BNP). The study is a contribution to the problems of positioning behaviour of parties in decentralised systems with strong regiona... https://megavitamines.shop/product-category/childrens-magnesium/