The colour revolutions prevented the purchase of attack helicopters from Eastern Europe in 1990 and 1991; Bulgaria and Russia rejected Chinese offers to purchase the Mil Mi-24.
As revolucións de cores evitaron a compra de helicópteros de ataque do leste de Europa en 1990 e 1991; Bulgaria e Rusia rexeitaron as ofertas chinesas para mercar o Mil Mi-24.