Answer:
These terms may not have been the most appropriate because people, specifically Indians who discovered what we call America (we know them as American Indians/Native Americans). It was not a "New World" or "discovery" to anyone besides Christopher Columbus and his followers; people already knew about it. A term that may fit what he found better is "learning" or "exploration", but it is important to recognize that he did not find America himself.
They began using harsh discipline, so that citizens would be less swayed to commit illegal crimes
They did not want their people to turn against them if they believed in different things. Roman leaders wanted to take control since they had the power to do it. Even as a republic, only some men have the right to speak.