That plays into it as well.
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Who says it's America bad? government acts in whatever drives their interest and I rather see the world for what it is then some made up fairy land where we are the good guys here. The natural resources of Crimea and the separate regions are not the main prize in this war, bread basket diplomacy is also a thing China is currently using their considerable stock pile as leverage.
If Putin had done a small incursion instead of going for the whole pie we probably would have reacted the same as before.
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Well the press hasn't been subtle when it comes to pointing out that difference.