Cattle, coal mining, and railroad
Answer:
This is because of consumer debt, the use of credit allowed people to buy things when they didn't have the money. therefore everyone was buying things they couldn't afford that was ruining the economy and caused the stock market crash.
Explanation:
Technology - this word means both "tools" and "the skills or procedures necessary to make and use those tools".
<h3>What is technology?</h3>
Technology is the result of accumulated knowledge and application of skills, methods, and processes used in industrial production and scientific research. Technology, the application of scientific knowledge to the practical aims of human life or, as it is sometimes phrased, to the change and manipulation of the human environment. It includes everything from the wheel to computers to medicines to zippers and buttons on clothes. Systems & Technology Systems and technology refer to an agency’s systems engineering, regional architectures, and procurement processes that allow the agency to increase the value and functionality of a high- technology project, service, or system. The technical systems contains the tools of latest trend like computers printers, fax, Internet etc. The systems reliable, begin, and good quality software. It is necessary to follow a particular procedure.
The correct answer is option D.
Learn more about technology, refer:
brainly.com/question/26207404
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