Jehovah
And thus being prepared to meet the Lamanites, they did not prosper against us. But the word of the Lord was verified, which he spake unto our fathers, saying that: Inasmuch as ye will keep my commandments ye shall prosper in the land. Jarom 1:9
Jarom quotes the Lord's covenant promise to Lehi and Nephi. The covenant God who gave the promised land is Jehovah, the premortal Christ.
How we know: the chapter heading names Him
- quotes 1 Nephi 2:20 — The Lord to Nephi: inasmuch as ye shall keep my commandments, ye shall prosper.
- quotes 2 Nephi 1:20 — Lehi repeats the Lord's promise of prosperity in the land.
