Answer:
3) Saudi Arabia will soon have to begin fracking, leading to protests and further destabilization.
Explanation:
Peak oil theory, propounded by a geophysicist named Marion King Hubert, describes that, conventional sources of crude has either reached or will soon reach their maximum production capacity globally, thus, there will be downward slope; a bell curve shape, in the production capacity by the mid of 21st century.
Hence, the most critical aspect of Peak Oil theory, is that, the world’s oil-based economy, such as Saudi Arabia, will face a critical moments towards the mid of the 21st century, when their production capacity is going down, that is, having a bell curve shape, leading to a form of changes in extraction methods, such as fracking, thereby, leading to protests by the citizens of these areas, and further destabilization of the nations involved, due to negative effects of fracking methods of oil extraction on the air and water quality of the area.
The first steps toward economic imperialism in China date from the mid-1500s, when Portuguese traders paid for access to ports in Macau on China's far south-east coast. In 1711, the British East India Company also established a trading post there.
<span>In the 19th century, Manifest Destiny was a widely held belief in the United States that its settlers were destined to expand across North America. </span>
Because of this region's relatively abundant access to water, the earliest civilizations were established in the Fertile Crescent, including
the Sumerians.
I'm not too sure what you are asking, however if you are looking for what ended the Spanish War, Island of Puerto, it would be the Treaty of Paris of 1898.
The Spanish War was fought between America and Spain, and took place in Cuba, Puerto Rico, Guam, and the Philippines.