19, The struggle between Henry the IV and Gregory VII was known as
a. the Investiture Controversy.
c. the Magna Argument.
b. the Seven Years War.
d. the Concordat of Worms.

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.

Nejieuebdh jdjbfbf gregg he ru his best he is the one he was going through so i didn’t dare him lol lol i just want him and he is a great friend to him lol lol