Economic structures such as Command and Market did not exist during the primitive hunter gather society times. The economic way of life was traditional where the resources and means of production were shared among the individuals.
Another reason was during this time, the population was small and the people were less demanding and were mainly interested in necessities that was extracted from the nature.
The United States Constitution is clear that only the Federal government can declare war against other nations, as opposed to individual states. It also states that only Congress has the authority to declare war--not the President.
