<span>Invasions by Barbarian tribes <span>Economic troubles and overreliance on slave labor<span>Overexpansion and military overspending
</span></span></span>
Yes they are on the upper and lower half's of the world
Your answer would be, The following example of a Monetary Policy is, Letter Choice, (C), The Government lowers interest rates to make it cheaper for people, and businesses to borrow money.
Hope that helps!!!!! :) (Answer: Letter Choice (C).).