Answer:
They have a shared economy.
They allow easy migration
Hey there,
<span>CUBA has the largest reserves of OIL and NATURAL GAS of any island in the Caribbean.
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Hope this helps :))
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Explanation:
Germany's condition of reduction of population is because of pandemic effect on global recolation.
Positive:There would not be much pandemics, diseases,& so on.
Negative: There would be an effect on economy, there'll be few or less workers,so on.(This would be a larger effect than the positives of course)
One reason of undergrowth is of jobless rate & bare utilisation anticipation.

I think this is the answer.
The Atlantic Ocean is the correct answer for this equation