Overpopulation occurs when the
O
birth rate soars.
death rate increases,
birth rate exceeds the death rate,
death rate is higher than the birth rate.
O

birth rate exceeds the death rate.

Explanation:

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imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.

answer; cardinal directions;