Proably because he was Selfish and mean. He thought he was better. He didn't care about anyone
Building a space ship and flying to the moon then landing safely on earth.
The reason why is you had to build a giant spaceship and make sure it works along with making suits that would protect yourself from the cold on the moon and providing oxygen.
If the Jews did not convert to Christianity many were taken to the concentration camps to be killed
Discovery and colonization.
The conditions of factories were horrible. There were fumes everywhere, there was no place to clean yourself up. Woman an children had to work usually about 10 hours or more a day. People would die and they would leave the bodies there. The way they could have fixed this is to improve sanitation and less work hours.