Which of the following factors led to the development of ancient civilizations A: climate B: invasion C: agriculture D: location NEED ANSWERS ASAP

It is very important to our life

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.

To be honest i thinks its between the first answer and the third answer