how did Darius strengthen the Persian empire's economy? (select one)

1. By increasing tribute
2. by taxing the great royal road
3. by wiping out Zoroastrianism
4. by introducing a common currency

3 answers

The correct answer is:

  1. by introducing a common currency.

Darius strengthened the economy of the Persian Empire by standardizing currency, which facilitated trade and commerce across the vast territories of the empire.

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