European Court to Settle Question of Whether UK Can Reverse Brexit Unilaterally

TOPSHOT - A protester draped in a European Union flag takes part in a protest in support of an amendment to guarantee legal status of EU citizens, outside the Houses of Parliament in London on March 13, 2017. British Prime Minister Theresa May feared parliament would stand in her way in implementing Brexit but the opposition crumbled and she prepares to open negotiations with the wind in her sails. / AFP PHOTO / Daniel LEAL-OLIVAS Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images

The European Court of Justice has taken on a case that will settle the question of whether the United Kingdom can back out of Brexit without consent from the European Union.

The announcement bolsters a campaign for lawmakers to be given the option to overturn Brexit when they vote on any deal brokered between the EU and the UK.