25. Q. During the Tang dynasty what forms of religion were introduced into China? A. A Nestorian Christianity flourished in a limited number of places during two centuries, until extirpated by persecution. Mohammedanism took root, and mosques were built in various cities. 26. Q. Under what emperor did China reach the acme of its glory? A. Under Kublai Khan, grandson of Genghis Khan. 27. Q. What has been one of the worst results of foreign intercourse with China? A. The introduction of opium, which began at the opening of this century. 28. Q. From what province have nearly all the Chinese in Australia, the East Indias and the United States come? A. The one province of Kwang-Tung, in which Canton is situated. Most of them are natives of a district not larger than Connecticut. 29. Q. About how many Christians are there now in China? A. There are now about 16,000 protestant church members, and a following in all of about 25,000 nominal Christians. 30. Q. At the rate of increase in the number of Christians since 1840 when will China be a Christian nation? A. During the next century. 31. Q. Into how many periods may Corean history be divided? A. Four.—Era of old chosen, era of the three kingdoms, united Corea, and modern chosen. 32. Q. What is said of the character of the early history of Corea possessed by the natives? A. It is of a confused and untrustworthy character down to the Han dynasty, 206 B. C., and until after the Christian era is drawn almost wholly from Chinese sources. 33. Q. During ten centuries after the opening of the Christian era what chiefly is the history of the three States which the independent tribes of the peninsula form? A. It is chiefly that of border wars, with alternating invasions or succor from China and Japan. 34. Q. What is said of the Corean alphabet? A. In the seventh century a Shinra statesman invented the Corean alphabet of fourteen consonants and eleven vowels, classified according to the organs of speech, and perhaps the most perfect in the world, which greatly promoted the spread of native literature. 35. Q. How was political unity first given to the peninsula in 960 A. D? A. Wu-Wang, of noble blood, arose out of Korai, and by talent and arms extinguished the rival states, and proclaimed united Corea under the name of Korai, fixing his capital at Sunto, a little north of the present capital. 36. Q. During the twelfth and thirteenth centuries to whom was Corea subject? A. To the Mongols. 37. Q. What occurred in 1392, on the fall of the Mongols and the rise of the Ming dynasty in China? A. A revolution in Corea overthrew the reigning family, when the present line of rulers and order of things were established.