All of the following are true statements about christopher columbus except
a. he was italian.
b. he underestimated the size of the earth.
c. he believed most of the earth was cover by land.
d. he was the first to propose the idea that the earth was round

i believe we're not a republic so that is a hard question

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!