For a bit more on 1, see also: https://www.reddit.com/r/IRstudies/comments/3jk0ks/is_the_economic_development_of_the_global_south/
For a bit more on 1, see also: https://www.reddit.com/r/IRstudies/comments/3jk0ks/is_the_economic_development_of_the_global_south/