Negative self talk is just an expression of perceived risks
A. is the Answer, Here is Why. Germany did move its Submarines into the Atlantic, But Only after Declaring war on the US. Germany could not Appeal, as Germany was banned from entering due to the Treaty of Versaille, Not only that, Japan Had attacked first, and America was a Head Member of the League of Nations. and D is wrong because It doesn't make sense at all. Japan was part of the Axis.
Gutenberg's press and the subsequent printing and sharing of philosophical essays about the role of the Church allowed for the Reformation to spread and take root.
Prior to the printing press, a person would have to hand copy a text. The printing press made it so hundreds of copies of texts could be printed quietly and shared widely allowing people to interact with new ideas.