The circular flow model is one example or the best model demonstration of explaining or show the model of producers and consumers in how they influence one another using the system of free market. This simplifies and shows the process of how consumers and producers affect one another.
The organization implements the North Atlantic Treaty that was signed on 4 April 1949. NATO constitutes a system of collective defence whereby its independent member states agree to mutual defence in response to an attack by any external party.
