I, for example, have no problem understanding better what the holocaust is and so on. Because a lot of people don't understand it. But it's simple and it's a terrible event that everyone should study, because it serves as a reminder of exactly what should never be allowed to happen. Here you can look and read the
resource where there are many essays on the Holocaust. I, for example, was able to learn more about it. I hope you will find it useful too.