The crusades resulted in:
a. new alliances among european kings
b. division of territories among the emperors heirs
c. a decrease in power of the chruch
d. excommunication of charlemagne

c

explanation:

the answer i chose to believe is 'harmony'

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.