Question

What method of manufacturing, introduced in the early 1900s, made mass production possible?

a) the use of the assembly line
b) the use of hand-crafted products
c) the use of specialized labor
d) the use of expensive materials.

Answer 1

A. Use the assembly line

Step-by-step explanation:

I took the test.

Answer 2

A: the use of the assembly line

Step-by-step explanation:

took test