Question

What were the effects of the Zhou metal workers mastering iron? Select the two correct answers.

- the Zhou conquered the warlords and were the first to unify China
- iron made stronger, more effective farm tools and increased crop yield
- iron weapons spread to the masses, contributing to the Warring States period
- the Zhou jealousy guarded the secret of smelting the iron and created a trading empire
- Zhou craftsman are known for their iron art and it is still sold today
- iron helped the Zhou rulers so much that they reserved the Mandate of Heaven for themselves alone.

Answer 1

The two correct answers regarding the effects of the Zhou metal workers mastering iron are:

- iron made stronger, more effective farm tools and increased crop yield
- iron weapons spread to the masses, contributing to the Warring States period