Respuesta :
The use of robots and how they help build cars and how the assembly line has improved from the 1900's would be my answer.
Answer:
Robots operate assembly lines in many industries.
Explanation:
This is most likely the factor that would most surprise Henry Ford. The use of robots is an extremely new innovation, and one that would most likely surprise a person who lived so many years before the development of this technology. However, he would most likely appreciate this development as it improves the efficiency of the assembly lines he developed.