C Because if they hadn't discovered agriculture they couldn't grown their own crop
It allowed for judicial review, which meant the Supreme Court decides what is constitutional and unconstitutional. This enhanced the system of checks and balances because it strengthened the judicial branch's power to be on the same level as executive and legislative
The widespread destruction of the war plunged many small farmers into debt and poverty, and led many to turn to cotton growing. The increased availability of commercial fertilizer and the spread of railroads into upcountry white areas, hastened the spread of commercial farming.
Some of the newly industrialized countries are Hong Kong (China), South Korea, Taiwan, Brazil, Mexico, South Africa and Singapore!