Slaves from africa where brought to the americas to mine and work in farms
Where answers B, C and D have inaccuracies in one or more parts, answer A is the only correct answer.
Answer,
Economic stability
Explanation
Economic stability refers to abscence of excessive flactuationsin the macroeconomy.
planting of crops led to food security without food human life cannot be sustained hence other products cannot be produced.surplus production of crpos led to development of civilization which led to a stable economy because farmers could earn income from their products A stable economy later leads to political stabilty .
Its is bigger than the other graphs 8091
B. a fiefdom.
A fiefdom was land granted to vassals and knights.