Which work is gutzon borglum best known for

What made this representation of the virgin mary revolutionary

Why did bramante’s plans for the st. peter’s basilica never come to fruition? a. he and the pope could not agree on the plans. b. the pope changed his mind several times. c. the pope died and political unrest followed. d. bramante died before he could act on the plans.

For the difference command to work, what needs to happen?