With Russia and China not opposing Kosovo's independence in this ATL and Serbian nationalists feeling betrayed, Serbian nationalism will soon die out and become dustbin of history or fringe element of society similar to Croatia in OTL, this would also mean more peaceful and stable Balkans.
As an Albanian from Kosovo myself, i highly doubt Russia and China will support Kosovo's independence regardless even if 9/11 never happens but happens in Russia instead, Putin strongly opposed Kosovo's independence in OTL.
He would have Hitler dismissed and he sees him too radical to rule Germany or he would have Hitler arrested and imprison him for life after the failed Beer Hall Putsch which would prevent his rise to power and WW2 probably would have happened differently in ATL (most likely by the Soviet...
What is the possible maximum population of Sweden could support? how high do you think the it could have been, if wasn't for the devastating black death?
Presidential politics will go like this, if the Edward's affair happened just like OTL
2005 - 2009: John Edwards / John Kerry (Democratic)
2004 def. George W. Bush / Dick Cheney (Republican)
2009 - 2017: John McCain / Tim Pawlenty (Republican)
2008 def. John Edwards / John Kerry (Democratic)...