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Pergunta: Não foram pessoas suficientes disponíveis na época de Néfi a construir um templo ", à maneira do templo de Salomão"?
Question: Were there not enough people available in Nephi's time to build a temple "after the manner of the temple of Solomon"?
Nephi is saying the he built a temple that was of the same pattern Solomon's temple, but he does not say that it was of the same size
This criticism presumes that the Lehite immigrants are the only work-force available, but this is almost certainly not true. (See: Book of Mormon demographics.)
Even if one presumes that the Lehite colony and the Nephite break-off are the only workforce—a dubious assumption—this only means that the temple would have been smaller—this seems likely in any case, since Nephi only says he built it "after the manner" of Solomon's temple, but not in so grand a style because of local restrictions. Consider Nephi's description:
And I, Nephi, did build a temple; and I did construct it after the manner of the temple of Solomon save it were not built of so many precious things; for they were not to be found upon the land, wherefore, it could not be built like unto Solomon’s temple. But the manner of the construction was like unto the temple of Solomon; and the workmanship thereof was exceedingly fine. (2 Nephi 5:16). (emphasis added)