Answer:
Napoleon, his army, and the scholars become trapped in the land they have just conquered.
Explanation:
1. Topic.
2. Main idea.
3. All three? I don't understand what you were trying to say in the question. If you meant what to do to look for the main idea of a text, all of the above should be correct.
B. Warmth is an important part of the word.
A. Key words
B. The use of color
D. The use of images
I just took it.
B, D, E