The history of strained US-Canada relations is also reflected in a library located on the border

Next Monday, Canadians will vote in a parliamentary election that has been dominated by the American president's threats and pressure on his neighbor. A library located on the border also tells the story of the tumultuous relationship.

VERMONT/QUEBEC. For 120 years, the Haskell library was a symbol of the friendship between the United States and Canada. Then one of Trump's ministers came to visit. Now residents are taking on the border battle to save one of North America's strangest meeting places -- where a strip of black tape on the floor forms the dividing line between two countries.