Turkey in the early 18th century by King Charles XII of Sweden
During the 14th century, the Black Death became a widespread epidemic primarily because of 2) Chinese overseas exploration. More specifically, the Black Death was spread through the Silk Road, because it started on the plains of Central Asia and was brought back to Europe, where it lived off rats that would go on merchant ships all around the continent. The Black Death massively reduced the European population by up to about sixty percent.
Answer:
All of the above. DESTEP = Demographic, Economic, Political, Ecological, Socio-Cultural, and Technological forces
The stage is known as Social Unrest.
Social unrest denotes the condition of collective dissatisfaction with the political system which can manifest itself into the unconventional form of protest behavior. In the state of social unrest prophets and intellectuals become hostile towards existing policies and join into the mass groups to take initiatives for better management of public safety and maintenance of law and orders an across the city.
Earth can be considered as a closed system, since it only receives sunlight (energy), while the overall mass stays constant, without (almost) any exchange from space. Another example of a closed system is a saucepan or frying pan, on a stove, when its lid is closed.
