The dagger is given "human qualities," therefore this would be Personification.
While reading a chapter in a book about the history of the US economy, you read about how the economy added more corporate, professional jobs after WorldWar II. The development i most expect the book to include as support for this detail is
Steep increase of business profits due to government contracts
because its the most appropriate one and there was increase in business profit and economy
so correct option is C
hope it helps
'Plain english' is a writing style that gets straight to the point, clear, and straightfoward , common in goverment or business and communications.
