<em>down</em><em> </em>is the preposition.
Answer:
A conscience is an inward sense that helps us to become better people. It is like having a different person with us analysing and evaluating what we are doing, intend to do or what we have done and judges our actions as to whether they are good or bad.
Mawi's father was afraid that the Ethiopian army was going to make him a nurse for the army. He could not take his family because it would too much time and he wanted to keep them safe.