 Complete the following phrase:  In 376, the Goths, fleeing from the Huns, received permission from Emperor Valens r. 364378 to settle in the Roman province of Thracia in the Balkans. The settlement did not go smoothly, and when Roman officials mishandled the situation, the Goths began to raid and plunder. Valens, attempting to put down the disorder, was killed fighting the Goths at the Battle of Adrianople on 9 August 378. In addition to the threat from such tribal confederacies in the north, internal divisions within the empire, especially within the Christian Church, caused problems. In 400, the Visigoths invaded the Western Roman Empire and, although briefly forced back from Italy, in 410 