O you agree with Hedley Bull s comment the  international society has always been present in the world political system?

Please write in standard English; and not an overly complicated way style of writing. I would like it written so that your average reader can understand it. Below are the course readings/short youtube clip that should have been watched or read before starting the essay,

This is a youtube video that is likely to bare some sort of relevance in the essay. /htm
Harvard style referencing