The 10,000 Immortals were called so because whenever one would die, they were replaced, so that there were always 10,000 men
The answer to your first question would be C. The answer to your second question is B.
<span>The assassination of Archduke Franz Ferdinand in the Balkan city of Sarajevo provided the Austro-Hungarian government with a pretext for crushing Serbian nationalism, something it had long desired.</span>