(From L) President of the European Commission Jean-Claude Juncker looks on as Canada's Prime Minister Justin Trudeau (C) and European Council President Donald Tusk sign the Comprehensive Economic and Trade Agreement (CETA), at the European Council in Brussels

(LtoR) European Commission President Jean-Claude Juncker, Canadian Prime Minister Justin Trudeau, European Council President Donald Tusk and Slovakian Prime Minister Robert Fico, pose after the signing of the CETA trade deal during the EU-Canada summit meeting at the European Union headquarters in Brussels.

Canadian Minister of International Trade Chrystia Freeland (C) and European Trade Commissioner Cecilia Malmstrom (R) during the ceremony of the signing of the Comprehensive Economic and Trade Agreement (CETA) at the European Council in Brussels

(From L) Canada's Foreign Minister Stephane Dion, President of the European Commission Jean-Claude Juncker, Canada's Prime Minister Justin Trudeau, Canada's International Trade Minister Chrystia Freeland, Quebec's Premier Philippe Couillard, European Council President Donald Tusk, European Trade Commissioner Cecilia Malmstrom, European Parliament President Martin Schulz, European Union foreign policy chief Federica Mogherini, and Slovak Prime Minister Robert Fico pose during the signing ceremony of the Comprehensive Economic and Trade Agreement (CETA), at the European Council in Brussels