Answer:
Usage of agriculture machines like inter cultivator, power tiller etc. can reduce the dependency on labor and improve the quality of life of the farmers.
Explanation:
Karl Marx and Friedrich Engels wrote The Communist Manifesto, originally called the Manifesto of the Communist Party.
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I believe it is B
Win Shi Huang standardized writing, a crucial factor in the overcoming of cultural barriers between provinces, and unifying the empire. He also standardized systems of currency, weights, and measures, and conducted a census of his people.
Can you ask in english please?