Agriculture was the leading occupation in the Northeast only due to :
Factories were not ye functioning well
After the industrial revolution, more and more technology that could increase productivity was founded and people became less and less interested in agriculture<span />
<span>The 'black land' was the fertile land on the banks of the Nile. The ancient Egyptians used this land for growing their crops. This was the only land in ancient Egypt that could be farmed because a layer of rich, black silt was deposited there every year after the Nile flooded.
The 'red land' was the barren desert that protected Egypt on two sides. These deserts separated ancient Egypt from neighboring countries and invading armies. They also provided the ancient Egyptians with a source for precious metals and semi-precious stones.
Hope This Helped!</span>
Answer:
Melting pot theory.
If you need an explanation, don't be afraid to ask! I hope this helped, and if you have any more, go ahead and PM me.
I do not see a map but I can tell you the answer is St. Petersburg which is northwest of Moscow.
