How did Robert Fulton's inventions as a child and young adult lead to his invention of the diving-boat? A. His early inventions led him to believe the country one works for is unimportant. O B. His early inventions earned him enough money to support his work on the diving-boat. C. His early inventions taught him to be resourceful in finding better and easier ways to do things. D. His early inventions showed him that inventions created for personal benefit will always be successful.​