European leader viewed the expansion of Islam as threatening.
Saying to be heard hope this is right
The answer is william the 3 of england
It was primarily "<span>d. the vulnerability to invaders from the north", since the Mongol territory was rapidly expanding--making the Mongol warriors all the more powerful. </span>
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>
