Identify a key causal factor of conflicts within Eastern Europe associated with the Cold War.(1 point)%0D%0AResponses%0D%0A%0D%0Athe revolutions of 1989 across Eastern Europe%0D%0Athe revolutions of 1989 across Eastern Europe%0D%0A%0D%0Athe dueling spheres of influence of the U.S. and the U.S.S.R.%0D%0Athe dueling spheres of influence of the U.S. and the U.S.S.R.%0D%0A%0D%0Athe Yugoslav wars, beginning in 1991%0D%0Athe Yugoslav wars, beginning in 1991%0D%0A%0D%0Aa divided Berlin

Answer 1

a divided Berlin