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World History

Standard 19 : Understands the maturation of an interregional system of communication, trade, and cultural exchange during a period of Chinese economic power and Islamic expansion

Reference code: BE,166;WE,132

1st letter/number of each code in parentheses:
B   NCHS: Basic Edition
L   Lessons from History
W   NCHS: World History, expanded edition

2nd letter code :
E = Explicitly stated in document
I = Implicit in document

Number:
Page number of the cited document