Both are equally as important. It’s great to learn from your own mistakes because you suffer the consequence or thrive in the reward. But same for learning from others. If you are surrounded by people who are a bad influence, they may suffer the consequences of their actions and you will know not to make the same mistake they did. If you surround yourself with a good group of people, they may be rewarded for something they did or an achievement they reached, so it may encourage you to do better or be a better person like your friends.
I think the Crusades is the correct answer.
The commandment should stay
I would just explain to them how poetry is a way of writing in order to capture physical and emotional details unable to be written in factual writing. Hope this helps :-)
False, timelines allow time to be shown by date