3 Nephi 21:4
1830 Edition
for it is wisdom in the Father that they should be established in this land, and be set up as a free people by the power of the Father, that these things might come forth from them unto a remnant of your seed, that the covenant of the Father may be fulfilled which he hath covenanted with his people, O house of Israel;
Changes
Simple English
The Father wants them to be set up in this land as a free people by his power. This way these things can come from them to some of your children. Then the Father can keep his promise that he made with his people from the house of Israel.
Paraphrase
it’s because the Father wants them established in this land as a free people, so these things can come from them to a remnant of your children. That way the Father can fulfill the covenant he made with his people, the house of Israel.