The Silk Road was an ancient network of trade routes that connected the East to the West
They followed the lines of ancient glaciers. They were defined by large farms and grasslands. They followed the system of rivers, canals, and dams. They were naturally defined by deserts, mountains, and seas.
<span>The answer would be a diaspora. A diaspora (means scattering and/ or dispersion) is a dispersed population whose source lies within a somewhat slighter geographic location. Diaspora can also mention to the undertaking of the populace from its original motherland.</span>
<u><em>Developing</em></u> sounds about right.