Question

Of the total of 56,065 Jews caught, about 7,000 were exterminated within the former Ghetto in the course of the large-scale action, and 6,929 by transporting them to T.II [Treblinka], which means 14,000 Jews were exterminated altogether. Beyond the number of 56,065 Jews an estimated number of 5,000 to 6,000 were killed by explosions or in fires.

–SS-Brigadeführer [Major General] Jürgen Stroop, in a report to Heinrich Himmler,
May 1943

Why might this evidence be useful at trial?

It is a detailed record that helps prove Germany started an aggressive war.
It is eyewitness testimony that helps prove crimes against peace were committed.
It is a detailed record that helps prove genocide was committed.
It is eyewitness testimony that helps prove prisoners of war were mistreated.

Answer 1

Im not sure what you want me to do. Is the question "Why might this evidence be useful at trial?" If so you already answered it so the answer would be "It is a detailed record that helps prove Germany started an aggressive war.

It is eyewitness testimony that helps prove crimes against peace were committed.

It is a detailed record that helps prove genocide was committed.

It is eyewitness testimony that helps prove prisoners of war were mistreated."