Deductive reasoning ..... is that how the US decided the info requested from Germany was legit even after being warned it was potentially bull****?LOL, your comprehension issues are impeding your judgment dude.
Read what you just posted again...
Oh forget it, let me point out the parts that you seem to be having difficulty with...
Those two statements, are separated by a coma. How did the US know the Germans had "Curveball", and evidence they could use?
Try using deductive reasoning here. It will really help you along.
Germany never went running to the US with info to justify the war did they?