What was the over Northwest passage?

Answer 1

The Northwest Passage from the Mississippi River to the Pacific Ocean that Lewis and Clark sought after on the Discovery Corps Expedition does not exist.

Another could be the sea route through the Arctic Ocean, along the northern coast of North America via waterways along the Canadian Arctic Archipelago, connecting the Atlantic and Pacific Oceans.

There are also northwest passages to destinations, such as India.

Answer 2

There never was a northwest passage.

Answer 3

a sea route through north america