So why are some people poor then? Lol, because of the lack of economy. So what do people with money do then? Donate it. Lol. But I saw that you were confused, and I want it to help, so here are answers for your question:
Q1). The correct term when relating humans or creatures, is creation of God, and not ''children''. And you are wrong on that matter. God guided humans with knowledge, hence why he sent messengers with all carrying the same message: God exists, and humans must worship him.
Q2.) Not all wars are basing on religion. Some are politics breaking out, some are freedom etc. However, if there is a war basing on religion, the people are misguided - Islamic State is an example of that.