Answer:
I believe it would be C. to show how quickly cities grew after 1860 due to immigration, migration, and industrialization
Hope I helped :)
Sorry but I don't know all of them.
I'm not sure about the ones i wrote either
1. The object will speed up
2. It will slow down/ or stop
The Persian empire began in modern day Iraq.
B the third estate resented their taxes, poverty, and lacking access to bread and other common goods.