Hints and tips:
...The 2015 Canadian campaign started with Stephen Harper’s Conservative party leading narrowly in the opinion polls....
...The deaths of David Bowie, Harper Lee, Prince and Muhammad Ali would have been enough to dampen spirits in any year, but Donald Trump’s US election win, Britain’s vote to leave the EU and an escalating refugee...
...Mr Obama had, at times, a contentious relationship on environmental issues with Mr Trudeau’s predecessor, Stephen Harper, who was a strong supporter of the Canadian oil industry....
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