The chinese government has encouraged families to have

China imposed One-Child Policy in China after the decline of infant mortality from 1978-1980. The Chines government wanted to regulate the population. This happened because of their growing population. Song Jian, one of the top Chinese officials had found out about the books of Limits of Growths and Blueprints of Survival, because of this, Song Jian had estimated a population of  700 million on that year.

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

joseph stalin's cult of personality became a prominent part of soviet culture in december 1929, after a lavish celebration for stalin's 50th birthday.[answer:

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