Labels:bag | bulletin board | crossword puzzle | fence | monitor | person | sky OCR: PREV The Ming dynasty were too busy trading 01 work on the Great Wall much Porcelain S very soft, rough, brown clay During the Han dynasty smo signals were used LO send messages along the wall The Han dynasty res tored the teachings of Confucius Willow twigs and reeds were used by the Han dyna ty reinforce the wall. Qin Shi Huang was very friendly and popular leader LESSONS HELP NXET Rsnq OOPRTS
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