Escaping a war in one's country is an example of a push factor, as it involves negative conditions driving people away. Push factors encompass conflict and persecution, compelling individuals to seek safety elsewhere. Therefore, the correct answer is B. push factor.
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Escaping a war in one's country is an example of a push factor, as it reflects the conditions driving individuals away from their home country. Push factors often involve negative circumstances, such as conflict or persecution. In contrast, pull factors are the appealing conditions that attract migrants to a new location. ;