Read the excerpt from The Dark Game . On February 24, when Hall sensed that the Zimmermann telegram would tip the balance in favor of the U.S. joining the Allied forces, the British home secretary presented the telegram to President Wilson. One week later, news of the Zimmermann telegram was splashed across the front page of American newspapers. On April 6, 1917, the Congress of the United States declared war on Germany and its allies. What statement best explains the cause and effect structure of the excerpt?