And despite the urgent need of the United States during the Second World War to mobilize its human resources fully, job segregation by sex characterized even the most important war industries.

by sex 到底是说segregation还是对后面的characterize啊？

昏了。。。

And despite the urgent need of the United States during the Second World War to mobilize its human resources fully, job segregation by sex characterized even the most important war industries.

尽管美国在二战期间急切的需要充分动用其人力资源，但是即使最重要的军工行业都具有性别歧视的特点。