Religion, Ideology, Philosophy, Law. Science
A religion consists of a set of myths and rules the purpose of which is to resist outsiders, and to set limits on behavior or to be treated as an outsider and deprived of opportunity and insurance of the in-group. Hence most religions evolve with the weak, who have no means of competition except resistance and exclusion.
An ideology consists of a set of ideas the purpose of which is to excite subclasses to act under democracy to obtain political power. Ideologies are used to obtain followers. Likewise followers, follow ideologies. Hence most ideologies if not all ideologies are lower and working class ideologies, and most followers from the lower and working classes.
A philosophical system provides criteria for making judgements in the pursuit of preferences. Philosophies are used to obtain peers. Likewise peers seek philosophies with which to pursue preferences together with their peers. hence all philosophies are class philosophies, and most philosophies are middle class philosophies.
A scientific system provides for making truthful (true) statements for the description of operations (transformations instate). Scientific systems are used to decide, create, invent, and to provide power over nature and man. Hence, science . Hence science is a largely professional or upper middle class philosophy.
A legal system provides a means of resolving differences so that a group can cooperate in the production of generations, goods and services. Legal systems are used to rule others. But require strength to enforce. Hence most legal systems are the product of the upper classes that rule by force, and make use of scientific, philosophical, ideological, and religious systems to speak to classes while ruling them with law and violence.
War is a scientific not emotional process. It is only the men at the bottom who need inspiration. And it is the foot-soldier at the bottom whose tenacity most determines a battle. So the relationship between the top and the bottom is necessary, and this is why non-martial polities cannot compete with martial polities – we fight together even if we conceptualize differently.