A Line of Blood and Dirt: Creating the Canada-United States Border across Indigenous Lands

The untold history of the multiracial making of the border between Canada and the United States.

Often described as the longest undefended border in the world, the Canada-United States border was born in blood, conflict, and uncertainty. At the end of the American Revolution, Britain and the United States imagined a future for each of their nations that stretched across a continent. They signed treaties with one another dividing lands neither country could map, much less control. A century a...