Question

which period witnessed the first use of iron technology ?​

Answer 1

Answer:

i think colonial period is witnessed

Answer 2

[tex][/tex]

Iron metallurgy reached the Yangzi Valley toward the end of the 6th century BC. The few objects were found at Changsha and Nanjing. The mortuary evidence suggests that the initial use of iron in Lingnan belongs to the mid-to-late Warring States period (from about 350 BC).