su continued his career as military general, and later commanded tang forces in a war against baekje in 660. the tang dynasty achieved its maximum extent following its conquest of the khaganate. the inhabitants of the new territory did not become sinicized like many of the other kingdoms and tribes conquered by the tang. tang military activity in central asia brought in a wave of turkic migrants serving in the tang military as soldiers and generals, leading to the spread of turkic language and culture. at the same time, the prevalence of indo-european languages in the western regions was on the decline. central asia also absorbed cultural influences from tang china. central asian art incorporated tang stylistic features, like the sancai three color glaze used in pottery. chinese coins remained in circulation in xinjiang after the decline of the tang. cultural remnants of tang architectural influence are still visible in the buddhist architecture of dunhuang, on the border between the western regions and the hexi corridor.