What was purported to be the United Kingdom’s most momentous parliamentary vote in a generation — the overwhelming rejection on January 15 of the ‘Brexit’ withdrawal agreement that Prime Minister Theresa May had negotiated with the European Union — has left business none the wiser about Britain’s future trading arrangements with the EU than they were before the vote.

Even assuming the exit terms are settled in the barely 70 days left before the UK’s scheduled March 29 departure from the EU, so much will remain uncertain and many of the battles fought since the referendum in June 2016 over UK-EU trading and economic arrangements will have to be refought throughout the transition period (and probably beyond given how long it takes to negotiate trade agreements).Read this HBR article to find out more