Answer:

According to blank slate theory, the mind is completely blank at birth. From there, education, environment, and experiences – which are external, as well as material and/or immaterial – shape the child's process of development. This leaves a lasting effect on who they become.
If it's just a random thesis:
Topic: Dog Fights
Thesis: Dog fights should be illegal, since they are a cruel way to abuse dogs for profit.
Opposing Thesis: Dog fights are entartaining, and should be continued.
Answer:
he feels nervous going to war
It depends on the choices