Use the drop-down menu to complete the sentence. under the han, iron and salt were so important that

Under the Han Dynasty, iron and salt were so important that Emperor Wudi established salt and iron monopolies and new taxes were decreed.

The answer would be (production of these goods was mad a  state monopoly) if you didn't get it

by improved communication.

when in doubt choose c

it's what my teacher told my class when we were going into psats