of making it aware of the possibility, of supplying Hello, everyone !! To talk about this following paragraph: Imagine the effect on a reasonably advanced technological society, one that still does not possess the bomb, of making it aware of the possibility, of supplying sufficient details to enable the thing to be constructed. Twenty or thirty pages of information handed to any of the major world powers around the year 1925 would have been sufficient to change the course of world history. Imagine the effect..... the thing to be constructed, I don't know if I could use "by" in place of " of" in this paragraph. Thanks !! : D