Meaning of international relations course

According to the political actor knows as Ede chibuzor Chibugod he called it a course that study the behavior of two different countries state, national and subnational and teach the how the nation and subnational get them self involved in politics, bureaucracy and interests groups know as pressure groups

This is the courses outlined of the first semester of unical University of calabar department of political science 200 level
This year..............
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Or
According to Rebert Charles
He put it in his owe points of view
That it is relation of state with each other and with international organizations and
Certain subnational entities eg
One bureaucracy  political party and interests groups