Under the Han, iron and salt were so important that 1: It was forbidden to trade them outside of China 2:Only wealthy merchants were allowed to produce them 3:production of these goods was made a state monopoly 4:only the emperor and his family were allowed to own them PleaAsE HelP Me!

3.

Explanation:

Under the emperor Wu of Han, iron and salt were important products, which in early empire were produced and sold by rich merchants. But under emperor Han, he made iron and salt a state monopoly.

Perceiving the production of iron and salt by rich merchants a threat on state, he took this step of making iron and salt state monopoly. By making these two products as a state monopoly, states started earning large profits making the empire financial capable to support the various campaigns by the emperor.

Therefore, the correct answer is option 3.

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