Помогите написать пару предложений на английсом на тему "Почему начинаются войны?"

Why are wars starting? In order to understand this question, you can return to very old times. For primitive people the war was pledge survival, they defended themselves from the beasts, from attacks by other tribes. And why start a war modern people? Unfortunately, wars begin for fame and wealth. Are hurting everything, mother, children who are left without fathers. Nowadays people are not used decide everything peacefully, and this is very bad. надеюсь правильно, я старался

Перевод War begins: 1) differences between nations 2) fight for more territory 3) of wealth in other countries 4) religion