in which引导的是什么从句

And there is a tension between a more regional trading pattern and a global financial system in which Wall Street and the Federal Reserve set the pulse for markets everywhere.

其中in which引导的是什么从句？

a tension （中心词）between a more regional trading pattern and a global financial system（介词短语作定语）

in which 引导定语从句，第一要考虑修饰中心词tension（紧张状况；紧张关系；紧张局面；冲突），而不是离它近期的system。in which ：在此紧张关系（冲突）中。

And there is a tension in which Wall Street and the Federal Reserve set the pulse for markets everywhere.