In 1923, $1 in US currency was worth over 4 trillion German marks. What occurred in Germany during WW1 to produce such a drastic economic results?
1.)Germany made High risk loans to entrepreneurs during the war
2.) Germans simply printed more money to deal with war debts, creating inflation
3.) the central powers demanded that Germany pay them back for their losses
4.) Germans placed a war tax on citizens

It would be both number 2 and 3. But if they are only asking for single answers. Then 3 would be the most likely answer, as after the events of WW1 they were required to pay back what they owed during that time.

Explanation:

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i hope this your understandings.