Use the drop-down menus to complete each sentence.
A writing system was developed during the Shang dynasty to
.
Developments in iron making helped the ancient Chinese produce stronger
.
The Zhou dynasty constructed roads and canals to
.
A writing system was developed during the Shang dynasty to record important events and communicate effectively.
Developments in iron making helped the ancient Chinese produce stronger weapons, tools, and agricultural implements.
The Zhou dynasty constructed roads and canals to improve transportation and facilitate trade and communication between different regions.