What was the Ancient Egyptian calendar based off? Select one:
The local bird migration patterns
The flooding of the Nile
The tides of the Mediterranean Sea
The agricultural seasons

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.

from the conditions of the working class in england by friedrich engels,the main idea is :

manchester's leaders hoped to oppress its working class to benefit factory owners.