Been mulling this over for a bit now. If each of the following nations decided to go all-out Manifest Destiny on their respective regions, how far could we expect them to get before finally sputtering out? Take each one at the height of their military strength and force projection ability between 1900 through the present day.
Argentina
Brazil
Nigeria
South Africa
India
Australia
Assume this is an ASB experiment, so no outside interference, just them versus any and all of their neighbors they can reach, kill and occupy. And yes, some of the candidates are close neighbors, so also just assume that each is operating in its own timeline. Just curious as to how you all would see these playing out.