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>
One of the effect of the interaction between China and Korea is Cultural Diffusion.
Currently, korean culture is a mixture of Japanese and Chinese cultures from their previous contact hundred years ago. You can see the similarties of culture and tradition between these three countries, whether from their traditional clothes, music instrument, writings, etc
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Articles of confederation I think.
Answer:
The first one is the first option and the second one is the third one.
Explanation:
Hope this helps