You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "important in facilitating the conversion of american industry to mass production was?" whose answer is The development of machine tools.
Each document should contain about 30 words, and these documents should contain useful information.

Query: key factors in the shift to mass production in American industry
Useful Output:

Doc 1: However, additional factors, such as the increased division of labor and adoption of high-volume production, also played quantitatively
Doc 2: The US once dominated the manufacturing world and the blame for its decline falls far and wide. Was it China? Mexico? Globalisation? Robots? Republicans?
Doc 3: Mass production often drives technological advancements as companies seek more efficient ways to produce goods. Automation and continuous
Doc 4: In many industries, though, home-based production and artisan craft traditions gave way to wage labor in larger, machine-powered operations.
Doc 5: 1. Environmental Impact: One of the main challenges associated with mass production is its significant environmental impact. The large-scale