What is this in chronological order telegraph steel plow mechanical reaper cotton gin steam boat?

In chronological order, the inventions are as follows: the cotton gin (1793), the steel plow (1837), the mechanical reaper (1831), the steamboat (1807), and the telegraph (1837). The cotton gin revolutionized cotton processing, while the steel plow improved farming efficiency. The mechanical reaper transformed harvesting, and the steamboat enhanced transportation. Lastly, the telegraph revolutionized communication.