How the price of a factor of production is determined by the forces of demand and supply? The marginal productivity theory of factor pricing is Incomplete by itself. It suffers from many defects.
The military force plays a crucial role not only in society but also in politics of a state. Unlike bureaucracy, Military does not have the same day to day impact on political system but the truth is that in today's world no country feels free form the politics of military intervention.
The police force, like the military is part of the coercive state. Both of them are uniformed, disciplined and armed bodies; yet they are different in many ways.
In liquids, the intermolecular forces are strong enough to keep the particles tied upon to each other but not strong enough to keep them in fixed positions. This is why; liquids can flow and do not have a definite shape.