Final answer:
Henry Ford's company did use new innovations like the Holley Brothers' carburetor from Pennsylvania, which speaks to Ford's continuous efforts to enhance automotive technology beyond the assembly line.
Step-by-step explanation:
The statement that Henry Ford's company used new innovations like the Holley Brothers' carburetor from Pennsylvania is true. Ford's innovation did not just stop with the assembly line; he was constantly looking to improve his cars with new technologies. While Ford is indeed known for revolutionizing the auto industry by perfecting the assembly line, he also utilized other innovative components such as the Holley Brothers' carburetor, which was key in internal combustion engine technology. Through these innovations, the Model T price significantly decreased over time, making cars affordable and initiating a profound shift in American society.