What is Balkanize?
1.
To fracture and waste something important, like a country, with something totally unimportant, like ethnic differences.
Man, you just balkanized your head on a stump!
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2.
To split something (usually a state) apart, on a usually ethnic basis. This verb first appeared in the 1990's during the War in Bosnia, led by Croats, Serbs and Bosnians, which caused the demise of the Socialist Federal Republic of Yugoslavia (SFRY). It is nowadays again popular with Kosovar Albanians trying to rip off a part of Serbia -Kosovo (15% of Serbian territory, imagine the US without Texas)- for themselves.
It seems highly unlikely to balkanize the USA.
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3.
To split apart, or secede from, a union of states.
"You will not be free if you Balkanize the United States."