of her own family, the khan rejected him and demanded the
restoration of the deposed T'ang emperor. To enforce this demand, he
embarked on a great campaign against China. In this the Turks must have
been able to rely on the support of a strong group inside China, for
before the Turkish attack became dangerous the empress Wu recalled the
deposed emperor, at first as "heir to the throne"; thus she yielded to
the khan's principal demand.

In spite of this, the Turkish attacks did not cease. After a series of
imbroglios within the country in which a group under the leadership of
the powerful Ts'ui gentry family had liquidated the supporters of the
empress Wu shortly before her death, a T'ang prince finally succeeded in
killing empress Wei and her clique. At first, his father ascended the
throne, but was soon persuaded to abdicate in favour of his son, now
called emperor Hsueang Tsung (713-755), just as the first ruler of the
T'ang dynasty had done. The practice of abdicating--in contradiction
with the Chinese concept of the ruler as son of Heaven and the duties of
a son towards his father--seems to have impressed Japan where similar
steps later became quite common. With Hsuean Tsung there began now a
period of forty-five years, which the Chinese describe as the second
blossoming of T'ang culture, a period that became famous especially for
its painting and literature.

5 _Second blossoming of T'ang culture_

The T'ang literature shows the co-operation of many favourable factors.
The ancient Chinese classical style of official reports and decrees
which the Toba had already revived, now led to the clear prose style of
the essayists, of whom Han Yue (768-825) and Liu Tsung-yuean (747-796)
call for special mention. But entirely new forms of sentences make their
appearance in prose writing, with new pictures and similes brought from
India through the medium of the Buddhist translations. Poetry was also
enriched by the simple songs that spread in the north under Turkish
influence, and by southern influences. The great poets of the T'ang
period adopted the rules of form laid down by the poetic art of the
south in the fifth century; but while at that time the writing of poetry
was a learned pastime, precious and formalistic, the T'ang poets brought
to it genuine feeling. Widespread fame came to Li T'ai-po (701-762) and
Tu Fu (712-770); in China two poets almost equal to these two in
popularity were Po Chue-i (772-846) and Yuean