Which British explorer believed the Northwest Passage did not exist ?

Jacques Cartier

Explanation:

Jacques Cartier

Lawrence and discovering today's Prince Edward Island, but not the Northwest Passage. Cartier's second voyage took him up the St. Lawrence River to Quebec, which he is credited with founding.Feb 22, 2018

originally he was supposed to be dead but they wanted to continue the series so they brought him back to life.

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.