Which of these inventions most directly affected American agriculture (farming) during the 1800s?

A.mechanical reaper and steel plow

B.telegraph and steam locomotive

C.icebox and iron-cooking stove


Answer :

Answer:Two inventors who changed agriculture in the 1800s were John Deere and Cyrus McCormick. In 1837, Deere built the first steel plow

Explanation:

A. the mechanical realer and steel plow