Complete the following sentence: The political crisis escalated when the Serb-populated areas attempted to form an enclave called Serbian Krajina which intended to separate from Croatia if Croatia itself attempted to separate from Yugoslavia. The Serb leadership in Krajina refused to recognize the government of the Republic of Croatia as having sovereignty over them.<unk> The Serb leadership in Krajina refused to recognize the government of the Republic of Croatia as having sovereignty over them. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ •••••••••••••••••••••••••••••••••••••••••••••••••••••••••
1990 European Athletics Championships in Split.<unk>