Founding
the intelligent races gather together (mostly with members of the same race) and form territory's and borders mostly avoiding each other unless provoked or desperate
As mortals learn more about the world around them they begin to have run ins with each other, mostly resulting in quarrels and panic, most decide to gather and avoid each other some moving underground to achieve this, in the span of 20 years 50 different country's would form across the continent, the largest groups being humans, dwarves, elves, drow, halflings and loxodons. these borders would shift and change countless times throughout the ages.