What development helped speed up manufacturing of products such as automobiles?

Question

A. the growth of labor unions

B. the telegraph

C. the assembly line

D. the Bessemer process

Answer 1

0_0

Answer 2

I will help after im done which doesnt take long okay?
AND sorry for my poor english... :)

Answer 3

are you done?

Answer 4

c. the assembly line

Answer 5

1.c
2.d
3.c

Answer 6

You shouldn't be cheating but if you do, you should be nice to people who are just trying to help