All you have to do is restate your topic sentence but in a different way and make your point more clear.
Answer:
We can learn a lot, we can know how other people had struggled and suffered during those times. It tells us that it is very truamatic and how sad and miserable it was. It would tell us if there was another crisis, we need to stop it immediently so we would avoid getting people killed. The hlocaust was very depressing and many lives were lost and this makes us all sympathetic.
Explanation:
