Which of the following was an effect of farming on the development of early river valley civilizations?

a. surplus food allowed groups of people to specialize and stratify, which led to laws and governments.

b. farming produced little food, so people developed government to determine how to distribute crops.

c. because farming produced extra food, people were able to form less permanent settlements.

d. as farming proved to be too difficult, many people needed to hunt animals and gather wild plants.

Surplus food allowed groups of people to specialize and stratity which led to laws and governments

Explanation:

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.

comparison is that they aren't nationalistic. a dif is that sds is government approved movemnet while yaf isnt \

it isnt that hard

explanation: