PHOTO BY CLARRIE FEINSTEIN/GLEANER NEWS: A Hart House Map Room exhibition that runs until May 26 aims to educate Canadians on the role of treaties in Canadian history. Canada By Treaty: Negotiating Histories — curated by history professors Heidi Bohaker and Laurie Bertram, and senior undergraduate student James Bird — is a direct response to one of the calls to action put forward by the Truth and Reconciliation Commission of Canada in 2015.