Foreign policy consists in strategies chosen by the States to safe guard its national interest and to achieve goals within its international relations. They are intended to aproach with other countries in economic, security, humanitarian aid or peace matters.
The objective of having a good foreign policy is to create powerful nations because this way many future problems could be solve with words and not with guns. But in the case the problem have already started foreign policy could be the so called "weapon" to make the national interest prevail in the discussion. In other areas it is the link to create a profitable market between nations by economics arrangements.
Foreign policy also helps within the nation above all in the security area by detecting probable enemies of the State like terrorist organization or even foreign nation.
