Answer:
East Africa
The physical geography of East Africa is dominated by the Great Rift Valley, which extends through the middle of the region from north to south. Associated with the rift valleys are vast savannas such as the Serengeti Plain, large lakes, high mountains, and the highlands of Ethiopia.
From this list, the best primary source material that would help you analyze the issues that the Nuremberg Trials addressed would be a "<span>diary of a Jewish prisoner at Auschwitz."</span>