According to Forbes "3 Reasons Brits Voted for Brexit" by George Friedman, the three main causes that led up to the United Kingdom's decision to leaving the European was
 Question 5 options:
 A) 
 Immigration, economic recession, and environmental impact 
 B) 
 Immigration, economic reform and unemployment rates post-recession, and political elitism and nationalism that created bipartisan within Parliament
 C) 
 Great Recession, immigration, Separation Vote of Scotland 
 D) 
 Economy, bipartisanship in Parliament, War on Terror