A large amount of cotton in the South was destroyed during the Civil War.
Took place after world war II
Pharaohs added more waterways and dam. They increased the amount of land being farmed and built canal between the Nile river and the Red sea.
Answer:
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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.