a reaction to

Periodic surges of intense Iranian economic nationalism must be understood partly as a reaction to the close relations between British business in Iran and the British government.

伊朗强烈的经济民族主义的周期性高涨，一定程度上必须被理解为对英国在伊朗的商业与英国政府之间密切关系的反应。

Rugut said the latest attack appeared to be a reaction to that violence.

卢加特说，最近发生的袭击看来是对上述暴力行为的反应。

All this activity is a reaction to the growing popularity of video communication.

所有这些行为都是对视频通信越来越流行的反应。