Answer:
C. Lincoln's "Gettysburg Address"
Step-by-step explanation:
On Memorial Day, May 30, 1963, Vice President Lyndon B. Johnson delivered a speech in support of civil rights at Gettysburg, Pennsylvania. Johnson strongly identified with the ambitions of the civil rights movement. The eloquent words he is referring to is Abraham Lincoln's "Gettysburg Address", a speech Lincoln delivered in 1863, exactly a century before Johnson's. Lincoln's speech celebrated the victory of the Union's armies in the Battle of Gettysburg.