【正确答案】The Chinese people have lived and multiplied on this land, where all ethnic groups have been highly integrated. In the process of the integration, they have forged strong cohesiveness among themselves, and have developed the values of cherishing and safeguarding unity for their country.

【答案解析】原文看起来都是由逗号连接，但实际上这4个分句按照句意可分为两层意思，第一、二分句是第一层意思。而第三、四个分句是第一层意思产生的结果，所以英译时应在第二、三分句之间断开。