Why God Let the Holocaust Happen?

When we die and go to heaven, you will understand why God let the Holocaust happen. "It's not that you cared about that kid more than God did," he says. If a request part of Christian prayer is often rejected, then it may be because God has a plan which involves an outcome other than the one for which you prayed. 'If so, couldn't want to have a direct dialogue that involves love and gratitude, but not requests'