Make sure you understand exactly what you're trying to find out. Write your research question in one clear sentence. If you are struggling with your research question, refer to this guide on good research questions.
A primary source is an original, firsthand record created at the time an event happened, like a diary, letter, photograph, or speech.
The Library of Congress is like a giant treasure chest of original, first-hand documents and records from U.S. history. It stores millions of one-of-a-kind items, including handwritten papers and letters, maps, photos, and artwork, audio and video recordings, and legal records. These materials cover American history from the early colonial days through today.