In 800, Charlemagne accepted the Pope's offer to be crowned Holy Roman Emperor. This act had the practical effect of A.
proving that the Pope was as powerful as the Byzantine emperor.
B.
declaring that Rome was holier than any other city.
C.
establishing Christianity as the religion of Europe.
D.
recognizing Charlemagne as the true head of the Catholic Church.

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.