2) In both the Odyssey and MDG background for all of the main characters is neceissary. You need to know who Odyssus is in order to understand how he defeats the suitors. And you need to know about Penelope to know what her had was wanted and how she tried to elude marrying for so long. You needed to know background on the General to really understand who he is, and understand his desire to hunt. You need to know background on Rainsford to know that he was a hunter to understand how he eludes the General for 3 days and makes the traps.
3) In both stories the main character or characters, in the case of the Odyssey are facing external conflicts. Odyssus and Telemachus are trying to kill all of the suitors and Rainsford is trying to escape from the General.
4) In both stories there are many complications keeping the characters from their intended goals. In the Odyssey Posiedon is keeping Odyssus from returning home along with many others. Especially when he is sent on mini journeys by the Gods and people like Circe. The General and the island are keeping Rainsford form his goal of leaving the island alive.
5) In MDG there is no flash back before the story begins. The Odyssey there is from book 9-12 it is Odyssus flashback.
6) In MDG the conflict is resolved when Rainsford comes out of the curtains and kills the General. In the Odyssey the conflict is resolved when Odyssus returns home. Also when Odyssus and Telemachus kill the suitors. In both stories the protagonist prevails and kills his enemy(s).