What caused the February Revolution of 1917? People were angry because of the tsar’s poor leadership.
Lenin’s idea of a classless society induced people to revolt.
Protests against food and coal shortages turned into riots.
The Duma rose up against the autocratic Russian monarchy.

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.

Word of mouth.