In an early uprising, the Italian state of Piedmont declared war against Austria and lost
Back then, Austria was one of the most powerful Empire in the world and the state of Piedmont simply did not have enough allies and power to win against them
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Germany ended up with nothing but what it started with and everyone went back to their lives
"unfair"
Communism is a bad government where the state owns everything and can take it away when ever they want too.
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What could cause you to lose your citizenship of a certain country would be if you decided to betray your country for some reason in some way. This could be done in multiple fashions, one being if you're in the army and you give out a top military secret. This cold make you lose citizenship.