What German innovation would have made crossing the Atlantic ocean to deliver supplies difficult for the U. S navy?

How does the grapes of wrath identify the effects of americans' views on the dust bowl? the story is a depiction of oklahoma farmers and the difficulties they experienced migrating to california. the story accurately describes the impact the california vineyard industry had on migrant workers. the story covers the rise of corporate farming and the devaluation of the small family farms that dotted the great plains. the story is an allegory for the conflicts between american values and the rise of the communist party in the united states.

What country was the philippines declaring independence from in this proclamation?

List 3 impacts wwii had on canada.