Strong nationalism
The Jews were always proud of their nationality which they held as divine ordained through the promises Yahweh had given their patriarchs Abraham,Isaac and Jacob. This sense of divine significance maintained their spirit of nationality that has survived and spanned three millenniums.
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The declaration of faith is the first of the five pillars of Islam, because it is very important. Declaring faith mean being dedicated and loyal to the religion. It means you sincerely believe in Islam, you are willing to follow the beliefs, and that there is no other god but Allah.
The Tsar and his family was executed.