求教英语句子分析Foreigners who understand the degree to which Americ

求教英语句子分析
Foreigners who understand the degree to which Americans are imbued with the notion that the free,self-reliant individual is the ideal kind of hume being will be able to understand many aspects of American behavior and thinking that otherwise might not make sense.
第一行的to which 的to是什么个情况
degree to 后面which引导的是什么从句啊 to直接接定于从句吗？