Passage 1
Questions 1 to 5 are based on the following passage.
Mount Rushmore (now known as the President’s Mountain), located just north of Custer State Park in South Dakota’s Black Hills National Forest, was named for the New York lawyer Charles E. Rushmore, who traveled to the Black Hills in 1884 to inspect mining claims in the region. When Rushmore asked a local man the name of a nearby mountain, he reportedly replied that it never had a name before，but from now on would be known as Rushmore Peak (later Mount Rushmore).
Seeking to attract tourism to the Black Hills in the early 1920s，South Dakota’s state historian Doane Robinson came up with the idea to sculpt (雕刻)the rocks into the shape of historic heroes of the West. In August 1924，Robinson contacted Gutzon Borglum，an American sculptor of Danish descent who was then working on carving an image of the Confederate General Robert E. Lee into the face of Georgia’s Stone Mountain. Borglum suggested that the subjects of the South Dakota work be George Washington and Abraham Lincoln, as that would attract more national interest. He would later add Thomas Jefferson and Theodore Roosevelt to the list, in recognition of their contributions to the birth of democracy and the growth of the United States.
After President Calvin Coolidge traveled to the Black Hills for his summer vacation, Borglum convinced the president to deliver an official dedication speech at Mount Rushmore on August 10，1927; carving began that October. In 1929，during the last days of his presidency, Coolidge signed legislation appropriating $250,000 in federal funds for the Rushmore project and creating the Mount Rushmore National Memorial Commission.
On July 4,1930,a dedication ceremony was held for the head of Washington. After workers found the stone in the original site to be too weak, they moved Jefferson’s head from the right of Washington’s to the left; the head was dedicated in August 1936，in a ceremony attended by President Franklin D. Roosevelt. In September 1937，Lincoln’s head was dedicated, while the fourth and final head-that of Theodore Roosevelt-was dedicated in July 1939. Gutzon Borglum died in March 1941，and it was left to his son Lincoln to complete the final details of Mount Rushmore in time for its dedication ceremony on October 31 of that year. Mount Rushmore National Memorial, known as the “Shrine of Democracy,”has become one of the most iconic images of America and an international tourist attraction. In 1991，Mount Rushmore celebrated its 50th anniversary after undergoing a $40 million restoration project. The National Park Service, which maintains Mount Rushmore, records upwards of 2 million visitors every year.
Who played a vital role in providing money for the Rushmore project?