In 1934,with the passage of the Migratory Bird Hunting Stamp Act(Act),an increasingly concerned nation took firm action to stop the destruction of migratory waterfowl and the wetlands so vital to their survival.
上句中的“with the passage of
the Migratory Bird Hunting Stamp Act(Act)”是否可以看成是“with+n+介词短语”形式的独立主格结构。其中名词为“the passage”,介词短语由of引导,这种理解是否正确,请老师指点一二。