The correct answers are dry farming, reapers, threshing machines, seed drills, and steel plows. These are the new methods and technology that revolutionized agriculture and made it practical to cultivate the plains. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
They recommended paper Money. I love ur name btw!
Number 1 is a and number 2 is d sorry if im not right
