The Constitution does not directly mention secession, but the Supreme Court has consistently interpreted the Constitution to be an indestructible union. There is no legal basis a state can point to for unilaterally seceding. So basically, no, a state can not secede, it is blatantly illegal.
Answer:
because they share similar characteristics. they both risk their own lives to save others and are so generous doing so
<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>