The Lewis and Clark Expedition
Answer: When a country is developing and becomes stronger it starts to thrive for power and when a country wants power it starts to take over and expand when a country becomes so large and has so much power that it does not know what to do with it is in the best interest to spread out into a nation of the same empire but ran by different people so that they can maintain the control of their growing nation
Well I would consider it Eastern Europe but sense that wasn't an answer id say central
The Shang Dynasty reached about 600 miles north.
