They became more populated. Some would say more pollution was in the air.
The Economy changed in many ways.
-Seth
The answer is Physiological
Answer: B. Improving Agricultural techniques with Irrigation and fast rising rice increased food supplies.
Explanation:
The Song Dynasty of China which lasted from 960 - 1279 AD saw a great increase in population as well as income. This was due to improvements in Agriculture that led to increased food supplies which could support a larger population.
Some of these improvements included irrigation as more farming commenced on the Yangzi River which increased crop yields as well as the introduction of different types of rice such as fast rising rice which meant that more rice could be grown in planting season.
It's B. East Germany formed an alliance with the Soviet Union
The Cold War began Around 1945 After the other Countries occupied Germany after their loss in world war 2. The soviet union occupied the Eastern Germany, meanwhile The west Germany somehow being backed by the US
British pilots begin delivering food and supplies by airplane to Berlin after the city is isolated by a Soviet Union blockade. When World War II ended in 1945, defeated Germany was divided into Soviet, American, British and French zones of occupation.
