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The far east

Back to The Far East: A.D. 801 to 900

China and manchuria (t'ang to 907, divided kingdom to 960 and then sung dynasty)

In Manchuria (and a part of Mongolia) Khitan tribes established the Liao Dynasty about A.D. 916 and overran part of China as the T'ang Dynasty collapsed. The Liao administration was well established in the P'o Hai area of eastern Manchuria by 934 and they executed invasions of northern China in 936 and 960, using siege machines, metaled corselets and helmets, with disciplined troops organized on a decimal system similar to that of the ancient Assyrians and the Mongol armies of the future. (Ref. 279 ) The name "Cathay" was derived from Khitae or Ch'i-tan, as they were sometimes called. They resisted Sinicization better than any other invader and retained their tribal nomadic life while remaining essentially Shamanists. Their use of human sacrifice and brutish punishments were particularly offensive to the Chinese. (Ref. 45 , 8 , 68 , 101 )

Having become the dominant war-lord of north China by 900, Chu Wen soon took the imperial T'ang court at Ch'ang-an under his protection and then slaughtered the ruling eunuchs. He followed this in 904 by murdering the emperor himself, installing a boy successor for three years and then taking over the throne personally. But with this turmoil and the Liao pressure, China broke up into the "Age of the Ten States". It was only in 960 that reunification was accomplished by General Chao-Kuang-yin who founded the northern Sung Dynasty, using a bureaucracy of Confucian officials and an almost socialistic control of the economy. The Sung, however, had to pay tribute to the Manchurian Liao all through this and the next century and they were never able to recover the northern tier of Chinese provinces.. In Charles Hucker 's classification the year 960 marks the end of the Early Empire of China. (Ref. 101 )

Throughout all the political changes of the century the cave temples of Dunhuang, mentioned in the previous chapter, went undisturbed and, in fact, carving in the caves continued. Today there are still 492 grottoes on five distinct levels. (Ref. 282 , 285 ) Paper money first appeared in A.D. 950 and the first report of chemical explosives for military use was in A.D. 1,000. By that time the Chinese seemed to have achieved biological accommodations to their previous infections and the population began to jump rapidly. In spite of malaria, bilharzias, and dengue fever the Yangtze Valley was finally conquered. (Ref. 101 , 140 )

By the year A.D. 1,000 China had reached its "modern" form and it changed very little thereafter until the 20th century. In comparison with the West, the limitations of this society were:

  • Human agriculture production (instead of animal and plow) kept a narrow margin between subsistence and production per agricultural head and gave less chance for a high standard of living for common people
  • A low level of peasant consumption of artisan products, which were essentially restricted to landlords and officials. European manufacturing, although on cruder material, catered to a wider base
  • Merchants were disreputable in China, as Confucius had ranked them near the bottom of the social scale. This inhibited the development of massive mercantile capital and hindered trade abroad. Thus, exploitation of Chinese inventions like paper, porcelain and gun-powder had to wait for the looser ordered society of western Europe. This was one of the side effects of the "command" system mentioned at the beginning of this chapter
(Ref. 139 , 279 )

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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