What is the climax of this novel? What happens? How do the events of this novel make you feel?

The climax of this novel is when Ender goes on the space ship to the outer belt to get training and be a commander. This is the point of no return even if ender wanted to he cannot go back to earth because he can not fly a space shuttle. What happens is he is forced into to saving the world. The events of this novel do not make feel good inside. The world is in need of a hero and Ender is supposed to be that hero. The things they do to Ender are not right in my opinion but it must be done in order to craft the best commander. The way the government uses people is very devious using little children to convince other children to go do things that would make normal people commit suicide. Letting children run loose in a school is not acceptable by modern day standards. But it is the future and people do desperate things to get the things they want