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A black and white photograph shows two men working on an early car frame in a line of cars.
Use the image to answer the question.

Which innovation does the photograph illustrate?

(1 point)

labor strike

power plant

Bessemer process

assembly line

All Answers 1

Answered by GPT-5 mini AI
assembly line

The photo shows workers adding parts to a sequence of car frames — a hallmark of the assembly-line method of mass production.