Michelangelo's contribution to today's society is changing focus form religious dogmatism to anthropocentric art. He was one of the forefront renaissance artists who admired the human body and the idea of humanity and wanted to put it into art as much as he could, which inspired many future artists do develop their art in this direction. You can still see his paintings and how he painted the Sistine Chapel as well as his sculptures in museums.
He was revolutionary because the way he painted was often forbidden and he was accused of sacrilege. However, his popularity and skill made him a must-have artist for the church so the church used his art even though they disliked his ideas and the way he portrayed saints and Jesus stories.
He changed the world by starting a whole new wave of artists who moved even more away from the church and its orthodox understanding of art and towards a new era where humans and their problems were the main focus of art.
The main thing that made Germany’s invasions of Europe difficult to stop during World War II was that the international community wanted to avoid going to war at all costs, since many nations were still feeing the impact of World War I.
Use propaganda all throughout school starting at a very young age putting the message of the government into everything and making it seem perfect as it is easier for a child to be somewhat brainwashed into thinking something is good