The antonym for external conflict is internal conflict. External conflict is conflict that is caused by an outside force, whereas internal conflict is a conflict that occurs within, a conflict with one's self.
arguments, bickering, physical attack, etc.
literary wise; man vs man, man vs society, man vs beast, etc.
"external conflict" is two words - an antonym usually is for just one word.
However, "internal peace" may do in this case.
external conflict
The external conflict is Juli ignoring Bryce.
it is niether because an external is a conflict with others and an internal is a conflict with yourself.
External training
the conflict in milkweed is external because my characters in the story are experiencing it.
External peace would be one.
Not struggle from demands
external conflict
External is an adjective and conflict is a noun. The entire phrase external conflict is reffered to as a noun.
External
External conflict
The external conflict is Juli ignoring Bryce.
it is niether because an external is a conflict with others and an internal is a conflict with yourself.
sloved and peacefully
There is only on type of external conflict. That conflict would be one vs. them self.
external, outer, foreign
External training