<prompt> Translate the following text to EnglishMabadiliko kati ya Ugiriki na Uturuki ya idadi ya wahamiaji yalisababisha harakati ya maelfu ya watu, na uhamisho wa jumla wa vijiji na wilaya za Kigiriki.  <response>: An exchange between Greece and Turkey of expatriate populations resulted in the movement of thousands of people, and the wholesale desertion of Greek villages and districts. 