How large was the mongol empire under kublai khan?

a. it covered all of asia.

b. it covered india.

c. it stretched from the pacific ocean to eastern europe.

d. it stretched from north africa to britain

Spread knowledge of agriculture to humans around the worldprevented human development of language and other ideaswas not a part of human life until only the last 2,000 yearsencouraged most human groups to maintain a nomadic life

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