After George Rogers Clark captured Vincennes, it remained in British control .

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.

That really sucks, but i don't know who your leader is, and i don't want to write that much