Why was the model t the most successful passenger car? a. the labor unions made its production profitable b. ford's invention of standardized parts made the car affordable c. it was built by the assembly line method of production.

Hey there!

From my information, and also from what I learned, this was it was built by the assembly line method of production. Yes, this was pretty much like the best car and actually the most successful passenger car, therefor, they actually took there time making this car, and by this, there was most likely no dead line. If there was, this makes people rush, and as for this, it was a great vehicle.

Your correct answer would be  . . .



Hope this helps.
~Jurgen