World War 1 has begun, and Robert walks Amanda through how Alfred Hugenberg bought up the German media to make the case the the war should go on for ever, and then how he backed the Nazi party and ushered Hitler into power when that didn't go well for some reason.
Sources:

Part Two: Heinrich Schliemann: The Archaeologist Who Destroyed Troy
44:41

Part One: Heinrich Schliemann: The Archaeologist Who Destroyed Troy
55:13

Part Two: Martin Niemöller, the author of 'First They Came', was a murderous fascist
1:05:24