What will cause the third world war ?

Positive false alarm of the enemy attack with initialization of counter attack because of SW bug or error.

Know body knows until it happens but i think it will be happening soon
hope this helped

Driven by a goal, duty, or curiosityhas a relatable character flawloyal to cause, family, and alliesexperiences changebrave and courageoussuperior intelligence or strengthinvokes trust or likeability