How did innovations in bronze and iron affect ancient China? They enhanced communication.
They increased military strength.
They increased access to information.
They led to the creation of a new major art form.

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they led to the creation of new major at form

Explanation:

bronze an diron were used in many statues that were put into gardens, that are still thee to this day

D. They led to the creation of a new major art form.

Explanation:

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