Which were provisions of the open door policy

"The 1899 Open Door notes provided that (1) each great power should maintain free access to a treaty port or to any other vested interest within its sphere, (2) only the Chinese government should collect taxes on trade, and (3) no great power having a sphere should be granted exemptions from paying harbour dues or railroad charges."

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:

mark brainliest and have a great day!

"they had a large area of land that they owned."