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Which of the following statements is NOT true about Zheng He’s 7 expeditions?
A.
These sea voyages were actually initiated during the reign of Emperor Hongwu.
B.
They strengthened the diplomatic ties between China and the world outside.
C.
They strengthened the Sino-foreign commercial relationship.
D.
They carried only jewellery and that’s why their flag ship was referred to as “treasure ship”.