That is true. In the north, they couldn’t farm like the people in the south due to the poor soil. So they began to use factories and machines instead of farming.
At times, it was chaotic because it was so much land to control that the ruler split it into "states", and gave each one to a family member. But, after a while they realized some of the family had more land than others, so they began to fight. The bigger lands conquered the others with their stronger army.
