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                                 International relations International relations is an old concept dating to the time of the Greek historian  Thucydides  (c. 460–395 BC). But There is no single and clear definition to this day. Because international relation is in transition following emerging realities in the international system, it has become complex and even more difficult arriving at a more universally acceptable definition of the subject. But different scholars have given it different definition based on their time and there on view. Some are Trevor Taylor (1979)  defines International Relations as “a discipline, which tries to explain political activities across state boundaries.” Ola, Joseph (1999),  "International relations are the study of all forms of interactions that exist between members of separate entities or nations within the international system.” Seymon Brown (1988)  thus defines international relations as “the investigating and study of patterns of