<span>The Royal Road helped the Persian Empire by uniting the empire, delivering mail, </span><span>and promoted trade and business throughout the empire. When the Royal Road united t</span><span>he empire everything started to happen, the delivered mail and the promotion of </span><span>trade and business. The Royal Road was for government purposes. When they mailed </span><span>letters, which needed a new horse every 15 miles, it took 7 days. The promotion letters, which needed a new horse every 15 miles, it took 7 days. The promotion </span><span>of trade and business was huge, it allowed the Persians to get more money.
</span><span>
Please mark as brainlist if correct! It'd mean a lot! Have a blessed day!
</span>
I want to say the answer is C because when lincoln got elected it made alot of the south mad because they didnt want slave trade and as lincoln wanted there to be no more slaves.
