Likutei Yehoshua on the word (הואיל (משה באר את התורה הזאת as an allusion to Eliyahu.
Why does Moshe allude to the episode of Korach before the Egel (חצרות ודי זהב) if it happened after?
Why did Moshe rebuke the new generation for the sins of the previous one?
"בערבוביא" as reflective of the sin of the spies
Moshe's fear of Og because of 1 mitzvah he had from centuries earlier