response: OK. The rank system defines who has authority and what roles and responsibilities people have.
original_response: Its based on dominance, authority, as well as roles and responsibility in a military hierarchy.
history: Field marshal is the highest military rank Is that so? I know that military ranks are found in various services, like the armed forces, police and intelligence agencies. That is true
knowledge: Military ranks and the military rank system define among others dominance, authority, as well as roles and responsibility in a military hierarchy.