The term PREZ ON MOUNT RUSHMORE refers to the four presidents who are depicted on Mount Rushmore in South Dakota. The four presidents are George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. The crossword solution for this term is ABE, which is the 3-letter abbreviation for Abraham Lincoln. Abraham Lincoln was the 16th President of the United States and served from 1861 to 1865. He is best known for leading the country through the Civil War and for issuing the Emancipation Proclamation, which declared that all enslaved people in the United States were free.