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There is now, at least for a brief summer period each August, when there is an open sea path through northern Canada. The Arctic Ocean remains blocked with pack ice for most of the year.

In the early days of North American exploration and settlement, the lure of a water route from the Atlantic to the Pacific was sought by several explorers. Many lost their lives when their ships were trapped in the shifting polar ice.

Until the late 2000s, only large ice-breaking ships could complete the Passage, along with adventurers who crossed using unfrozen lakes and streams.

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13y ago

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