B: México and the United States share the southern border
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Athens and Sparta both used enslaved people, but Athenian men would work with the enslaved people.
In Sparta, there were state-owned slaves called helots. ... In Athens, the lives of slaves were somewhat better. Slaves were privately owned in Athens, and each new slave was welcomed into the family with a ceremony. Slaves in Athens often worked with free citizens, although they were not paid.
Answer:E stabilization pond
Explanation: if he lives in a tundra biome its mostly populated my swamps and ponds so that would be the most useful one.
