Final answer:
The creator of Mount Rushmore, Gutzon Borglum, said, "America will march along that skyline", referring to the monument featuring Presidents Washington, Jefferson, Lincoln, and Roosevelt. This memorial is a symbol of national pride and an enduring image of the American presidency.
Step-by-step explanation:
The memorial that caused its creator to say, "America will march along that skyline" is B) Mount Rushmore. The Mount Rushmore monument is carved into the granite face of Mount Rushmore, South Dakota, featuring the faces of Presidents George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt. This grand sculpture was completed between 1927 and 1941 and is a symbol of the national pride and legacy of these presidents. The creator of Mount Rushmore, Gutzon Borglum, believed in the power and serenity of a national memorial and its reflective impact on the nation's identity. Known for its endurance and as an enduring image of the American presidency, the monument has become an iconic representation of American history and has appeared in various cultural media, including Alfred Hitchcock's film North by Northwest.