Rashi Questions for Korach

According to Rashi...
1. What did Korach witness that led him to a dispute with Moshe?  (16:1)
2. How did Korach campaign against Moshe?  (16:1)
3. What can we learn from the way that Moshe reached out to Datan and Aviram?  (16:12)
4. How did Korach gather the entire assembly against Moshe?  (16:19)
5. Why did almonds sprout from Aaron's staff?
6. In what manner did Hashem command us to give the gifts to the Kohanim?  (18:8)