1. Coastal Plains, for example Piney Woods - 100 to 800 feet.
2.North Central Plain Region - 800 to 1700
3.Great Plains (overlaps with North central Plains : 1000 to 400
4.Oceans and Basins
Two of the important leaders were Pherozeshah Mehta and Dadabhai Naoroji, hopes this helps!
Geographic isolation could be caused by a number of environmental factors. If a population of people or species live on an island, amongst mountains, in difficult to navigate terrain, or deep into rainforest or forests generally these groups could experience geographic isolation. Geographic largely occurs if a population or group of people or animals live in a remote region of the world that has little access to others due to any number of geographic features.
