[Answer] John Deere and Cyrus McCormick invented machines that made large-scale agriculture possible especially in the Midwest. What were those machines?

Answer: steel plow and reaper

Most relevant text from all around the web:

John Deere and Cyrus McCormick invented machines that made large-scale agriculture possible especially in the Midwest. What were those machines? The modern combine harvester or simply combine is a versatile machine designed to efficiently harvest a variety of grain crops.The name derives from its combining four separate harvesting operations—reaping threshing gathering and winnowing—into a single process. Among the crops harvested with a combine are wheat rice oats rye barley corn () sorghum soybeans flax ... A baler or hay baler is a piece of farm machinery used to compress a cut and raked crop (such as hay cotton flax straw salt marsh hay or silage) into compact bales that are easy to handle transport and store.Often bales are configured to dry and preserve some intrinsic (e.g. the nutritional) value of the plants bundled. Different types of balers are commonly used each producing a ... Cyrus McCormick s reaper ( invented in 1834) allowed farmers to quadruple their harvesting efficiency by replacing hand labor with a mechanical device. John Deere invented the steel plow in 1837 keeping the soil from sticking to the plow and making it easier to farm in the rich prairies of the Midwest . The harvester self-binder and combine ... The Market Revolution which occurred in 19th century United States is a historical model which argues that there was a drastic change of the economy that disoriented and coordinated all aspects of the market economy in line with both nations and the world.Charles Grier Sellers a leading historian of the Market Revolution portrays it as a highly negative development that marked the triumph ... Most modern sewing machines use the lockstitch technique of sewing invented by Walter Hunt which consists of two threads an upper and a lower. The upper thread runs from a spool kept on a spindle on top...

Disclaimer: 

Our tool is still learning and trying its best to find the correct answer to your question. Now its your turn, "The more we share The more we have". Comment any other details to improve the description, we will update answer while you visit us next time...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment