A. the rise and fall of successive families of rulers in China
The dynastic cycle is the theory that each new dynasty goes through a cultural cycle under the mandate of heaven.
Commercialisation led to growth of national agriculture and agricultural problem acquired national form. It brought about regional specialization of crops on an efficient basis. Commercialisation encouraged the production of some specific crop and favourably affected their distribution.
Map projections include latitude and longitude coordinates that specify positions in a spherical grid, known as graticule.
Answer: Military dictatorship
Explanation: The new Republic was shortly afterwards overthrown by Napoleon Bonaparte in 1799, Napoleon I, was a French military leader and emperor who conquered much of Europe.