1) Why did Fred Folkers need a tractor, a plow, and a combine? What did EACH ONE do?
2) The author says the tractor "changed everything." What does he mean?
3) How does the Document help answer the question, "What Caused the Dust Bowl?"
1.needed a tractor to collect crops in one go plow to be able to prepare the land for growing plants they use a combine to harvest faster 2. It changed the whole agricultural system 3.It showed how machines impacted other nature (not sure abt this one)
