What was the most important thing the Athenian and Roman governments had in common?

Explanation:

Everyone must obey laws, has the right to a fair trial by jury, has the right to make a formal petition o the government, has the freedom of speech, and the king can't levy taxes.

how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

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