What method of manufacturing, introduced in the early 1800s, made mass production possible?O the use of interchangeable partsO the use of hand-crafted productsthe use of specialized laborO the use of expensive materials.
Is the first one it or the third one lol

What method of manufacturing introduced in the early 1800s made mass production possibleO the use of interchangeable partsO the use of handcrafted productsthe u class=