Final answer:
The innovative method adapted by Henry Ford that revolutionized the manufacturing industry is the assembly line.
Step-by-step explanation:
The innovative method adapted by Henry Ford that revolutionized the manufacturing industry is the assembly line. Henry Ford's adaptation of the assembly line revolutionized manufacturing processes by allowing factory workers to complete the same task repeatedly, resulting in increased production efficiency and decreased costs.
By using an assembly line, the automobile could be produced in record time, making it more affordable for all Americans. The assembly line attracted millions of laborers to Detroit, filling assembly line jobs that were unskilled but played a crucial role in the mass production of automobiles.