That first line could mean several different things. Are you claiming that the excessive power of fringe elements in the EU is why the UK decided to leave?
From a global perspective, the UK and US are currently undergoing existential crises - arguably due to people feeling politically underrepresented - whilst many countries with a strong PR such as Finland or Switzerland seem to be functioning better.
From a global perspective, the UK and US are currently undergoing existential crises - arguably due to people feeling politically underrepresented - whilst many countries with a strong PR such as Finland or Switzerland seem to be functioning better.