What were the effects of the Zhou metal workers mastering iron?(1 point)

Question

Responses

The Zhou conquered the warlords and were the first to unify China.
The Zhou conquered the warlords and were the first to unify China.

Iron made stronger, more effective farm tools and increased crop yield.
Iron made stronger, more effective farm tools and increased crop yield.

Iron helped the Zhou rulers so much that they reserved the Mandate of Heaven for themselves alone.
Iron helped the Zhou rulers so much that they reserved the Mandate of Heaven for themselves alone.

Zhou craftman are known for their iron art and it is still sold today.

Answer 1

Iron made stronger, more effective farm tools and increased crop yield.