老师在讲解文学作品时，总是将其置于当时的文化背景中进行分析。

The teacher always focuses on ___contextualizing literary works within their cultural background.

老师在介绍历史事件时，总是先提供当时的政治背景来帮助学生理解。

When introducing historical events, the teacher always starts by ___contextualizing them with the political background to help students understand.