contestada

Which choice best describes how the introduction of the assembly line led to prosperity in specialized industries?
A. The assembly line was an innovative invention
B. National markets were created by assembly line advances.
C. Mass production decreased when factories hired more line workers
D. Mass production led to lower production costs?
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Respuesta :

Answer:

D. Mass production led to lower cost

Explanation:

The machine helped decrease cost to produce cars and made it easier to buy one