Henry Ford develops what

Henry Ford was an American automobile manufacturer who created the Model T in 1908 and went on to develop the assembly line mode of production, which revolutionized the automotive industry. As a result, Ford sold millions of cars and became a world-famous business leader.

Explanation:

The correct answer that fills in the blank was Production line

Explanation:

Henry for created the productoin line in 12-1-1913 so workers can create auto mobiles way faster. It used to take workers 12 hours, but Ford reduced it to 4 hours.

Plus I did a project of Henry Ford in third grade (I passed)

answer; i believe the correct answer is ( quakers);