Final answer:
The best topic sentence is: The Lincoln Memorial holds great significance for millions of Americans, making it a popular and cherished monument.
Step-by-step explanation:
The best topic sentence to introduce a paragraph containing the details about the Lincoln Memorial is: The Lincoln Memorial holds great significance for millions of Americans, making it a popular and cherished monument.
This topic sentence effectively captures the main idea of the paragraph by highlighting the popularity and meaning of the Lincoln Memorial to Americans. It sets the stage for the subsequent discussion and details about the monument.
Learn more about Choosing a topic sentence for a paragraph about the Lincoln Memorial