Hello. You did not present the answer options, which makes it impossible for your question to be answered. However, I will try to help you in the best possible way.
In general, we can affirm that the detail that supports the definition shown in the question above, is that which presents the different ways of interpreting the American dream. To find this detail, you must read all the answer options and identify the one that shows how the American dream has different meanings and that this dream can be associated with many different things, not being something rigid and immutable, but something dynamic and adaptable to different realities.
Answer:
1.) A sentence that expresses the main idea of the paragraph in which it occurs
2.) Every paragraph should include a topic sentence that identifies the main idea of the paragraph. A topic sentence also states the point the writer wishes to make about that subject. Generally, the topic sentence appears at the beginning of the paragraph.
3.) The topic sentence contains two parts: the topic and a controlling idea. The topic is WHAT the paragraph is going to be about, and the controlling idea explains WHY the paragraph is being written. The topic sentence helps your reader understand the purpose of your paragraph.
4.) I am not sure
Explanation: