It is a metaphor because it is comparing one thing to another.
Answer:
b. would most likely be your answer.
Explanation:
Answer: to rally emotional support for a unified country
Explanation: the civil war originally started because several states wanted to secede from the union. That is the easiest way I can put it. Slavery did play a role in the war as well.
Answer:
Angiosperms
Explanation:
The flowering plants (also called angiosperms) are the dominant and most familiar group of land plants.