War Communism was the name given to the economic system that existed in Russia from 1918 to 1921. War Communism was introduced by Lenin to combat the economic problems brought on by the civil war in Russia.
Answer: Lamas, Alpacas, and Guinea pigs
Explanation:
According to the graph given above, China's fertility rates have decreased since the one-child policy was introduced. One reason the one-child policy was introduced was to limit population growth.
<h3>What is the significance of one-child policy?</h3>
One-child policy is a policy, which has been introduced in the Chinese society in order to control the excessive population growth, as China became the most populated country in the world.
Hence, the significance of one-child policy is aforementioned.
Learn more about one-child policy here:
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Lack of workers was not a problem that cities faced during the Gilded Age.