The assembly line made which technology more affordable for most Americans?
O A. Air travel
O B. Telephone service
O C. Automobiles
D. Steam engines

The answer would be C. automobiles

Explanation:

Automobiles first became the craze in the late 1800's and early 1900's when factory workers kept assembling more of them.

Hope this helps. :)

- "it was a failure that was an embarrassment for the kennedy administration."

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