Will we ever have a single, scientific explanation of international relations?

Please write 1200 words because this is the word count that need.
Frieden, J and Lake, D (2005) International relations as a social science: Rigor and relevance, Annuals of the American Academy of Political and Social Science,Vol. 600 pp136-156
Wang, Y (2007) Between Science and Art: Questionable International Relations Theories, Japanese Journal of Political Science, Vol. 8 Issue 02, pp 191-208
These are the sources should be used for my ESSAY but you can also any other sources but use the sources I wrote down for u above please.
A reference list of all the references you have used in assignment should be included at the end of your assignment. please include them at the end of assignment.
write page numbers as wel and clearly state where you get information from in essay.
Critically evaluate that literature
Tell a story, that leads the reader through an argument to a set of reasoned and evidenced conclusions
this will be an essay for university, just to let you know dear writer.