Justin Trudeau the TPP Canada would Join Comprehensive and Progressive Agreement for Trans-Pacific Partnership which incorporates most of the Trans-Pacific Partnership (TPP) provisions by reference. On October 22, 2015, Trudeau stated that, once prime minister, he would end Canada's airstrike mission against ISIL. In his mandate letter to Defence Minister Harjit Sajjan, he also called for increased focus on Canadian trainers for local troops and humanitarian aid for the region.<ref name="Iraq/Syria trainers, aid"></ref> On November 13, 2015, Trudeau was asked whether his plans to change Canada's contribution to the fight against ISIS and to repeal parts of Bill C-51 would change following
Justin Trudeau debate, and said that if Trudeau could not defend his ideas in a debate against him, he wouldn't be able to do so against Prime Minister Harper. Trudeau clashed in debates with challenger Joyce Murray, who was the only Liberal leadership candidate to speak out strongly in favour of electing the House of Commons with a system of proportional representation. She challenged Trudeau over his support for a preferential ballot voting system. On March 13, 2013, Garneau dropped out of the leadership race, saying that polling conducted by his campaign showed he would be unable to defeat Trudeau. With Joyce