试题题干
Historically, Ireland has been free of ethnic conflicts because of its （）.
参考答案
正确答案：
试题解析
从历史上看，爱尔兰由于其种族同质性而没有种族冲突。
Historically, Ireland has been free of ethnic conflicts because of its （）.
从历史上看，爱尔兰由于其种族同质性而没有种族冲突。