B .The Vietnamese adopted the civil service exam.
Well the Incas made some great contributions to history. One way was that they made quipus. Even thought the Incas did not have a written language they did use quipus, which were a complex math and communication system. Quipu strings were very effective and they helped with math and communication all throughout the Inca empire. The Inca people also built roads, stone buildings, and developed different ways of farming. They also discovered many things about astronomy. I sure hope this helps! :)
Reaction towards minority groups
Answer:Latin and Greek were the official languages of the Roman Empire, but other languages were important regionally. ... With the dissolution of the Empire in the West, Greek became the dominant language of the Roman Empire in the East, modernly referred to as the Byzantine Empire.
Answer:
kurds
Explanation:
the kurds were the only one that had a genocide on that list I believe.