Answer:
Impact is important because it helps keep us focused on the overall purpose, rather than the process, of research. Some of the legacy ways in which research is undertaken, communicated and evaluated have put up barriers between the work itself and those who may benefit from it.
Explanation:
Answer: B totalitarianism
All of the rest, excluding this one, would be a form of government that is widely used and also authorized.
Optimism is a cognitive process of looking at situations with favorable expectations of the future.