The answer is B. a lack of members. Unlike European
countries, where decreasing death rates occurred gradually, countries in
developing regions experienced a dramatic drop in death rates in the '50s as a
result of exportation of medical technology and public health policies from the
developed world. Developing countries did not see a corresponding reduction in
birth rates Instead, the population explosion, which began in the '50s, is
attributed to high rates of natural increase in the developing world.
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>
<span>The philosopher Aristotle is known as the father of "Philosophy", although it should be noted that was also a leader in a variety of other important fields. </span>
The Americans implemented the Articles of Confederation as the first form of constitution. However, this document established a very weak form of government.