Original sentence: Sweden's major parties continued to believe that it would be in the national interest to join.The contrary view is that, since intra-European exports make up 60% of the UK's total, it eases the Single Market by removing currency risk.UK Eurosceptics believe that the single currency is merely a stepping stone to the formation of a unified European superstate
Edited sentence: There is a fear in the UK that the single currency is merely a stepping stone to the formation of a unified European superstate