For example, reciprocity has been used in the reduction of tariffs, the grant of copyrights to foreign authors, the mutual recognition and enforcement of judgments, and the relaxation of travel restrictions and visa requirements.
Through consistent cooperation in an international society, states are seen as building generally accepted standards of behaviour.
Reciprocity being the foundation for many bonds of trust between people can be applied in various ways and within various topics.
There is also room for negotiation with the trades being made, as the small counties, usually being at the disadvantage, can now have that power over the bigger countries that can offer more.
[4] Security alliances can also be seen as an example of reciprocity within international relations as both countries are in agreement to help one another in a time of military need.