I'm not entirely sure but i think it was The Great Depression.
Do not drink mercury .
Walls are effective .
Guns are better than swords. Fireworks are cool , and can be made into bombs .
A president is better than a royal family .
Answer:
As a child, he was able to read very quickly.
Explanation:
He didn't learn to read until after he was 10 and never became a rapid reader.
The answer is The enlightenment led to serious mess ups and had very serious causes but therefore on the other hand, there was many good things about the enlightenment