Identify three advancements in technology that emerged during the Second Agricultural Revolution and changed agricultural practices.

Answer:

Responses may vary but should include some or all of the following information: Mechanization reduced the number of workers needed on farms and increased the speed of harvesting. Tractors and combines were especially important. The railroad was instrumental in decreasing transportation times and transportation costs. The mechanized seed drill allowed for quick, efficient planting in rows. Steam-powered plowing engines developed in the 1850s, and internal combustion engines were applied successfully to tractors in the early 1900s.