It was not used everywhere. Nationalism mightve occurred in some places but not across everywhere in African and Asian societies.
Articles of Confederation
Competitive exclusion occurs when "<span>a. organisms attempt to fill the same niche" mostly due to the fact that they are competing over the same food source, which is always limited in some way.</span>
<span>most of the surviving Plains’ tribes were forced to live on reservations, while some American tribes escaped to Canada</span>
