After WW1 Germany was forced to pay MASSIVE debts so your answer would be B. Germany owes large debts to other countries
i would say the depedent clause one
I believe here are the challenges:
<span>a) competition grom countries with larger economies (the strongest competitor come from United States, China, Russia, Japan, and South Korea)
</span><span>c) an aging population, ( In recent years they experienced about 77% increase in elderly population)
d) members with weak economies (Most notably is Greece which is really close to bankruptcy)</span>