Baroness Thatcher criticized John Major because of his appeasement to Slobodan Milošević, and the EU because it didn't immediately recognized that Serbia led aggression against Croatia.
She continued to support Croatia in public until 1993 Ahmići massacre because, as she wrote in her book Statecraft, "massacre in Ahmići convinced me that Croatia interpreted my visit to Zagreb as a signal that the world will turn a blind eye to such (Croatian) barbarism."