How does Hitler or Putin or Musk take control? How does a project director build a dam? Via people, sending messages to them, convincing them to do things. Thi

How does Hitler or Putin or Musk take control? How does a project director build a dam? Via people, sending messages to them, convincing them to do things. This can be with facts and logic or with rhetoric and emotional appeals or orders that seem to come from entities of importance or transfers of goods/services (money).