How Do Empires Form?

How do empires form? Ow how are they created? All you have to do is to look up how the roman empire came into existence. The cholas conquered the entirety of south esavia, more or less. There was no colonization and extraction of resources from there. But it's always about military expansion. Now in the 20 first century, military does not necessarily mean himetic conquest. It could be done through siver conquest. That is also a possibility. In t if a new empire does arise, it could be tarmed in the appropriate manner. Instead of calling it an empire, we'llcall it 'a new super power that rules' And then people arocal wit,