Could Labour have won the '35 election and if so, could it have implemented its manifesto, especially concerning foreign policy (working through the League of Nations and cutting military spending), and if so what might the knock-on effects be in the lead up to a presumably still going to occur WWII?
http://www.labour-party.org.uk/manifestos/1935/1935-labour-manifesto.shtml
From Wikipedia
http://www.labour-party.org.uk/manifestos/1935/1935-labour-manifesto.shtml
From Wikipedia