<span> market structures is defined as the number of firms that is producing identical products that ate homogenious </span><span> The correct arrangement of market structures in order from easiest entry to hardest entry is </span><span>Pure competition[very easy] , monopolistic competition[relative easy] , oligopoly[difficult] monopoly [impossible] </span>hope it helps
World War II in Europe began with Germany's invasion of Poland on September 1, 1939. Therefore, the answer is C) Germany's invasion of Poland. Hope this helps!