Numbers 32:32

We will pass over armed before the Lord into the land of
Canaan
This is repeated again and again, for the confirmation of it, assuring that it should be strictly performed according to the true intent of it:

that the possession of our inheritance on this side Jordan may be ours;
that is, that the possession and inheritance they desired, and which had been granted them, on conditions to be performed by them, might be ratified and confirmed unto them on their fulfilment of them.