Why must old currency be taken out of circulation when new currency is made? the old currency is more valuable than the new currency. the new currency is much more liquid than the old currency. too much currency in an economic system will cause inflation. too much currency in an economic system will create artificial wealth.

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

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~courtney

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation:

i believe your answer is d)