Hongwu created a form of Martial Rule. He expected everyone to obey his rules and if they failed to do so they were subjected to execution or tortures. He was a tyrant Emperor who trusted no one but his family, if he finds anything suspicious about his advisers he would immediately have them killed or torture. This was a time in China where coups and other acts of sedition were not even attempted by the people of China because of their fear of exaggerated punishment.
League of nation, it was rejected because American people feel they like to be isolated from other nation. They don't want to be in another war after ww1
To keep community safe and to keep us from doing outrageous stuff and make us understand from mistakes