Final answer:
Thomas Edison's devices led to the use of interchangeable parts in manufacturing plants.
Step-by-step explanation:
The subject of this question is History and it is at a Middle School grade level.
Thomas Edison was an American inventor who is known for developing several devices that led to the use of interchangeable parts in manufacturing plants. For example, his invention of the electric light bulb required the production of standardized components that could be easily replaced.
Therefore, the correct answer to this question is A. use of interchangeable parts in manufacturing plants. This was a significant development in manufacturing and greatly impacted the efficiency and productivity of factories.
Learn more about Impact of Thomas Edison's devices