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Central and northern asia (see map this same section, next chapter)

Back to Central and Northern Asia: 1101 to 1200

At the turn of the century Ali-ad-Din came to the throne of Khwarizm as Muhammad II and he soon added southern Khurasan and its peaceful Persians to his empire. To the east was the Tranoxiana Empire and to the northeast of that the powerful Buddhist Empire of Kara Khitae, screening Islam from the new power developing in Mongolia around Karakorum. It was in 1206 that Temujin, leader of the Yakka tribe of Mongolians of the Gobi desert, in council with other tribal leaders of the region, took the title of Genghis

As noted in the introductory material, the spelling of this name varies with the source - Jenghis, Ginghis, Genghis, Ghingis etc.)
Khan (meaning "Lord of the Earth") and started to lead his soldiers south. (Ref. 137 ) As the Mongols conquered Kara Khitai, Ali-ad-Din took Transoxiana with its great wealth and its 500,000 people. (Ref. 27 ) Additional Notes

It was the normal procedure of the Mongols to send emissaries ahead, bearing lavish gifts and suggesting trade, with new regions. Thus, before attacking Khwarizm in 1220, Mongolian merchants arrived with 500 camels laden with gold, silver, silk and sables. But Ali-ad-Din murdered the ambassador and the merchants and confiscated the gifts. When still another ambassador arrived at Samarkand to protest, the Shah, himself, burned the beards and hair of the escorts and sent the ambassador's head back to Karakorum. Then with 400,000 Turks and Persian auxiliaries, as well as thousands more armed slaves, Muhammad Shah sat back and awaited the arrival of the supposedly small, inferior Mongol army.

But the fate of Khwarizm had been sealed and the first attack occurred at the city of the original emissary massacre where Genghis Khan's two sons, Ogedei and Chagati, destroyed the city and killed everyone but the guilty governor, who was taken back to the Great Khan's headquarters where molten metal was poured into his eyes and ears until he died. A second Mongol force, led by Jebe Noyon

Jebe had originally been an enemy of the Great Khan but now was a loyal supporter
went south with 20,000 men into Khurasan below the Amu Darya, to draw off any major force there, while Jochi (also Juchi), another son of the Great Khan, rode west destroying major fortifications. Genghis, himself, with Subedei Bahadur of the Reindeer people turned north and then came in from the flank at the Aral Sea while Jochi came up from the south in a flanking maneuver. After some very rough battles, the Khwarizmian army was annihilated and Genghis appeared at the gates of Bakhara, 400 miles behind the main battle lines. Samarkand fell shortly thereafter and only the Shah escaped, fleeing westward to the Caspian Sea. Jebe, Subedei and Toguchar followed him at the rate of 80 miles a day, accepting the surrender of various cities on the way. The Shah mercifully died of pneumonia before they caught him, so the Mongol task force then spent the winter on the edge of Azerbaijan. The city of Tabriz saved itself by the payment of an enormous amount of silver and thousands of horses. Subedei was summoned home and he covered the 1,200 miles back to Karakorum in seven days. It was on that occasion that the Great Khan instructed Subedei to take Jebe and make a reconnaissance through the western steppes of Asia and Russia during the next two years. (Ref. 27 ) At about this same time, other Mongol armies were completing the annexation of the Kara Khitae Khanate in Manchuria and were starting to conquer China. (Ref. 137 )

Questions & Answers

what does the ideal gas law states
Joy Reply
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
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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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