Sforno on Deuteronomy 3:24/ספורנו על דברים ג׳:כ״ד

1ואת ידך החזקה, demonstrated by overriding well known laws of nature. No one but the Creator of the universe is able to do this. Moses credits G’d with having done all this only in order to be able to bring the Jewish people to the Holy Land. In view of the length to which G’d had gone to do this it behooves the people to do everything in order to justify their remaining in that land.