I am still confuse how to social science can be related with the issues about arms transfer in the world. in generally, i cannot find the cases in data science. The ideas is about how to analyze pattern or behavior of the countries that practice in trade of arm such as pistol, ak47, ammunition etc. please, if anyone can shared or have an idea about thats problem may be we can work together. as you know I am posgrade student, thanks for the response.