The answer is c. That an individual has no human nature prior to his or her existence.
Sartre said this and he meant that the nature of things (essence) isn't more fundamental than it being (existing). This is the opposite of what a few other philosophers had said before.
Existencialists say that humans don't have an inherent identity, and they find meaning for life as they exist through their consciousness.
The result was war (2nd world war)because the treaty of versailles was against germany and hitler (ruler of germany break into war