The answer is: [A]: the printing press .
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Effects include flat job growth, no wage increases, decreasing stocks, and absence of marking booms.
The person is engaging in divergent thinking.
Divergent thinking is a process or a method that is used to come up with a creative ideas by exploring multiple possible solutions. The main goal of this type of thinking process is to come up with the as much ideas regarding a topic in a short period of time.
The answer is divergent thinking.
a because they are taking away peoples jobs