要了解一起重大的国际事件，我们首先需要考虑其历史与政治背景。翻译英语

We should consider its history and political background at first when wanting to know a major interational event.(将历史与政治背景理解为历史、政治背景两个词的情况）
We should consider its historical and political background at first if we want to know a major interational event.（将历史与政治背景理解为历史背景、政治背景两个词的情况）

In order to understand a serious international case,the very first thing that we need to consider are the historical and political background.

To understand a major international event, we first need to consider its historical and political context.