There have been 20 presidents since 1900
Answer:
b. A reliable food production and distribution system
Explanation:
The Tang and Song Empires were successful at creating increased food production. Irrigation systems were responsible for more growing areas and particularly helped produced more rice. The empires also manipulated the landscape to create more land to farm. Terrace systems within the land also increased the amount of land that could be farmed at any one time. Cotton, tea, and rice became the most produced crops making money for the empires.
One similarity between the Sepoy Rebellion in India and the Boxer Rebellion in China is that both were "<span>(3) attempts to end foreign interference" but they had different characteristics. </span>
Explanation:
looks like you looked them up on Googl e-_-