•according to this diagram, which revolutions were part of the chain reaction set off by enlightenment ideas?

The North American Colonies revolution in 1776, the French revolution of 1789, the Revolutions in Spain’s Latin American colonies, Haitian revolution from France, Brazil revolution from Portugal, and the European revolutions in 1830 and 1848.

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.