Final answer:
Cyrus McCormick created his invention, the mechanical reaper, during the Industrial economy.
Step-by-step explanation:
Cyrus McCormick created his invention, the mechanical reaper, during the Industrial economy. The Industrial Revolution, which occurred in the 19th century, brought about significant advancements in manufacturing and technology. McCormick's mechanical reaper revolutionized agriculture by mechanizing the process of cutting and gathering wheat, leading to increased productivity and efficiency in farming.