Definition: In the context of history, a pre-imperial period refers to the era before the establishment of the modern state. This is often associated with ancient civilizations and their political systems that did not involve direct imperial rule or governance. The term "pre-imperial" can also refer to a broader historical concept where the government of an earlier time was considered to have been less centralized, more decentralized, or had fewer formal powers than those found in modern states. This could mean that there were no formalized institutions