Answer:
climate change, land degradation etc. (more info below)
Explanation:
There are many global environmental changes that could cause human migration. Apart from climate change, land degradation in the form of nutrient depletion, soil erosion, contamination and salinisation can also contribute to changes that contribute to migration.
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Answer:
Rome conquered new lands that allowed for increased trade of goods. The reason that led to the rise of the merchant class after the Punic Wars was that Rome conquered new lands that allowed for increased trade of goods.
Explanation: A
