Why is Yetzi'as Mitzrayim mentioned regarding the Lav of Ribis?
Rashi #1: To teach that, just as in [the last Makah]prior to the Exodus, Hashem discerned between a Bechor and a non-Bechor 1 , so too, will He discern the person who lends his money to a Yisrael and claims that it belongs to a Nochri - and punish him.
Rashi #2: To remind us that Hashem took us out of Egypt on condition that we observe His Mitzvos, even if they are sometimes difficult to keep. 2
Why does the Torah insert giving Yisrael the Land of Kena'an here?
Rashi #1: Because Hashem gave it to us as a reward for keeping the Mitzvos.
Rashi #2: Refer to 25:38:3:1.
Why does it add "Lih'yos lachem l'Elokim" here?
Rashi (citing Toras Kohanim): With reference to the previous phrase, it teaches us that Hashem is the G-d of whoever lives in Eretz Yisrael, and that leaving Eretz Yisrael is akin to worshipping Avodah-Zarah. 1
Seforno: This is the main objective towards which one should strive, and it is best achieved by helping one another to ensure that communal life functions smoothly.
The Rosh brings many attributes of living and being buried in Eretz Yisrael, from Kesuvos 110b-111a.
How did Kena'an merit that Eretz Yisrael is called on his name?