Why did justinian i want to reform the law of the byzantine empire?
a) the code needed to be collected and reorganized.
b) the code needed revisions to remove laws regarding slavery.
c) the code included ordinances, but they needed to be removed.
d) the code did not include imperial decrees, which had to be added.

the answer is a. harriet tubman was a nurse on the battlefield.

i think i will need more detail to answer if this is a specific question on a test, but technology advancements are good for many industries, such as medicine or food industries, new technology could us in medicine in ways such as new scanners to tell us more about our bodies or new cures or vaccines for diseases.