i think your best choices would be
#2,4,5 and 6
I would go with the war with Somalia, because first all the other answer seem correct and the war with Somalia was a major victory for Ethiopia, they gained from it. So the answer is "war with Somalia"
A line segment on a graph would be any line that isn't continuous. It would have dots on the ends instead of arrows. Is that what you're asking?
Answer:
B) an earthquake
Explanation:
An earthquake is one of the most dramatic triggers of sudden mass movements.
From the choices given, an earthquake is the most correct solution.
Answer:
D. Bosina and Herzegovina