Explanation of Ramban - 16:1, 4, 5 - 1) Debate between Ibn Ezra versus Ramban whether Korach's rebellion was before or after the spies, 2) Who joined Korach's rebellion and why? A) Rashi - Korach wanted power, and got his neighbors from Reuven to join. B) Rabbenu Chananel - Korach led Leviim in rebelling against the Kohanim's elevation. C) Ibn Ezra - Korach led firstborns in rebelling against the Leviim's elevation. D) Ramban - It was a disunited group, Korach wanted power, some people from Reuven opposed Moshe's leadership, and some firstborns opposed the Leviim's elevation