The mechanical reaper invented by Cyrus McCormick helped the:

West
Midwest
South

Few people changed American agriculture more than Cyrus McCormick. His invention, the McCormick 'Virginia' reaper, revolutionized farming by combining many steps involved in harvesting crops into one machine. McCormick's reaper could cut more wheat in a day than a half-dozen farmhands.

So, the answer is i believe the South, sorry if i'm wrong, hope this helps, have a great day/night, and stay safe!

can i know the options so i can answer the qu

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.