Answer:
The promise that Buddhism offered rebirth and relief from suffering.
Explanation:
Joseph Goldhagens article on the holocaust. You could read a memoir of an SS officer called the death dealer the ss officer was the commander of aushwitz
The Three Emperors League in 1872 was between Alexander II of Russia, William I of Prussia, and Francis Joseph of Austria-Hungary.
The agreement was renewed in 1881 with Alexander III replacing Alexander II of Russia. William I and Francis Joseph remained as signatories.
It was not called, but I would guess Indian Removal
