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.
Answer:
Instituted in the hope of avoiding war, appeasement was the name given to Britain's policy in the 1930s of allowing Hitler to expand German territory unchecked. ... Hitler's expansionist aims became clear in 1936 when his forces entered the Rhineland. Two years later, in March 1938, he annexed Austria.
Explanation: