sentences:  The population of Kakheti dropped by two-thirds; once flourishing towns, like Gremi and Zagemi, shrank to insignificant villages; agriculture declined and commerce came to a standstill.By 1648, the indefatigable Taimuraz had finally been ousted from Kakheti.The Safavid government tightened its control of Kakheti, implemented a policy of replacing the native population with nomadic Turkic tribes.