Yes, these three empires founded the thought of the post-classical world economy and its freshness is based on three basic factors, including the benefit of the individualAnd the common political thing is that the imperial decision is made in the center and imposed on the parties, while hegemony takes the form of a joint decision with greater influence of the dominant power.
Economically some areas enjoy managing their resources but the center always determines what type of tax will pay me as a barter to manage daily mantras