It would most likely mean that it is a really serious case
Hope these helped :)
Answer:
A & B
Explanation:
They used their new food to increase their population and then spread their knowledge to all of Africa. More food meant bigger populations, which led to cities.
Answer:
Gain from trade
Explanation:
A situation whereby a country can consume more than it can produce as a result of specialization and trade is referred to as GAIN FROM TRADE.
The above situation usually occurs when countries produce a surplus of the commodity in which they possess specialization and then trade it for another surplus commodity of another country, thereby making them consume more than they can produce due to occupation and exchange.
Hence, in this case, the answer is GAIN FROM TRADE.