Great are the promises of the Lord unto them who are upon the isles of the sea; wherefore as it says isles, there must needs be more than this, and they are inhabited also by our brethren. 2 Nephi 10:21
What preacher in the Book of Alma said that everyone would be saved?
Nehor
He [Nehor] also testified unto the people that all mankind should be saved at the last day, and
that they need not fear nor tremble, but that they might lift up their heads and rejoice; for the Lord
had created all men, and had also redeemed all men; and, in the end, all men should have eternal life. Alma 1:4