What is one of the conflict twilight had to face?

In the first one (Twilight): The Cullens kill James

In the second one (New Moon): Bella comes in time to save Edward and Aro is facinated by Alice' predection and decides to let them go

In the third one (Eclipse): The Cullens and the wolves (shapeshifters) kill all newborns and Edward kills Victoria

In the fourth one (Breaking Dawn): Alice comes with prove that Renesmee isn't dangerous and the Volturi leave