The British North America Acts 1867 to 1946, shall apply to the Province of Newfoundland in the same way and to the like extent as they apply to the provinces heretofore comprised in Canada, as if the Province of Newfoundland had been one of the provinces originally united, except insofar as varied by these Terms and except such provisions as are in terms made or by reasonable intendment may be held to be specially applicable to or only to affect one or more and not all of the provinces originally united.