In the 1400s, after the ming admiral, zhenghe, had successfully led several large sailing expeditions to the coast of africa and throughout southeast asia, the voyages were discontinued and were never revived. question 38 options: true false

True

Explanation:

After Zhenghe's voyages there would be no more maritime expeditions, In 1426 with Xuande, China returned to its isolationist policy, the emperor even banned ship constructions and restricted existing ships to Chinese coastal waters. This isolationism might have been due to mongols threats and the high costs of rebuilding some parts of the Great Wall

a is true because it know the force.

ps maybe give us more info?

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c.) biotic: snails; abiotic: temperature climate