The Northwest Passage is a sea route<span> connecting the northern Atlantic and Pacific Oceans ... Explorers </span>thought<span> that an open </span>water route<span> close to the North Pole must exist. ... While searching for </span>him<span> the McClure Arctic Expedition discovered the ... the Northern Sea </span>Route<span>), making it possible to </span>sail around<span>the Arctic ice cap.</span>
