Basically the south was more farmed based and as a result didn't have a lot of land that they could give up for factories and manufacturing buildings.
On the other side, the north was very industrialized and were able to produce mass goods which in return boosted their economy.
The answer is the <span>mediterranean sea! Hope this helped!</span>
The correct answer is teenagers
They started getting jobs and earning money and since the baby boom happened there was many of them and it was easy to make things that they would buy.
Indus valley situated between India and Pakistan.