<span>C. people fear taking risks.</span>
Mongols affected Ancient China by attacking most of China's north. In the Qin Dynasty, Qin Shi Huangdi joined up smaller walls in the north which became the Great Wall of China
The correct answer is B. The ability to raise awareness to protect the environment.
Explanation
A Non-Governmental Organization is an entity created by a group of citizens to support a social or humanitarian initiative that is not related to the public administration and that is not for profit. These organizations are characterized by having an international influence, due to the causes they support are of global impact. In general, these organizations work with the participation of volunteers, attracting the attention of different parts of the world. Also, they rely on the collaboration of professionals specialized in matters that deal with large groups of people. Therefore, the correct answer is B. The ability to create awareness to protect the environment.
<span> Falling demand leads to falling prices, and less production, which leads to a deflationary cycle that spirals out of control. It actually started when agriculture commodities (wheat, corn, beef etc) was over supplied. Followed by an artificially inflated housing market which collapsed when the market corrected. </span>
