MACKENZIE AND HIS VOYAGEURS CHAPTER I UNROLLING THE MAP OF NORTH-WESTERN AMERICA 1670 — 1789 THE new world offered an opportune field for the absorption of the energies released by the Renascence. ‘The efforts of the three leading nations of Europe to carve out empires in the new domain, the factors that resulted in their successes and failures, the advances made over the terrain, their acquisition of territory, the clashes that occurred, and the accelerated trend of population to the new land are the elements of an epic of enthralling interest. Nothing in history compares with the North American Saga. The migration of millions from all the nations of the earth to the promised land, the beginnings here of a civilisation transcending any- thing yet thought of by man, the material advancement on a scale that takes the breath—these are aspects of a drama that will engage the attention of future historians. Harking back along the trail, the student who is curious about the origins of that structure which to-day amazes him, comes at last to individuals who seem to have been fated to go forward to discover and mark out the paths where legions of the busy world were to follow. Sir Alexander Mackenzie was one of these, and his I