26．With the growing prosperity brought on by the Second World War andthe economic boom that followed it，young people married and established households earlier and began toraise larger families than had their predecessors during the Depression．

(倒装than had their predecessors—比较结构的第二部分)

随着二战带来的持续繁荣以及随之而来的经济增长，年轻人比大萧条中的同龄人结婚成家更早，而且养育的家庭比他们的前辈更大。

分句1. thegrowing prosperity brought on by the Second World War

分句2. theeconomic boom that followed it

分句3. young people married and established households earlier

分句4. began to raise larger families than had their predecessors during theDepression．

1和2并列，3和4并列

1和2 是伴随状语