What animal, introduced by the Romans, greatly changed trade in Africa?

domesticated animals from north africa  such as camels. chickens. and donkeys were first brought across the western sahara in the 4th century  CE as a result of trans-saharan trade.

Explanation:

i think the correct answer is:

byzantine icon- served as religious symbols in christian churches and were valued and respected for their beauty

illuminated manuscript-preserved classical greek and roman knowledge and were the first bound books

a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.