What is the main idea of paragraph?

To find the main idea of a paragraph, look for the sentence that makes a general statement about the topic. This sentence will usually be the first sentence of the paragraph, but it can also be found in the middle or at the end. The main idea will often be supported by details and examples throughout the paragraph.

In this paragraph, the main idea is: "The Declaration of Independence is one of the most important documents in American history." This sentence is supported by details and examples throughout the paragraph, such as the fact that the Declaration of Independence established the United States as an independent nation, that it set forth the principles of freedom and equality, and that it continues to inspire people around the world.