The Germans, During World War One, Officially Declared War on Germany

Manhista says that during world war one, germany tried to send a message to the mexicans in order to gain their support. But the english intercepted the message and showed it to the president of the us. Wooddro wilson, after that, officially declared war on germany. Manhista: If this message had not been intercepted, do you think mexico and germany could have defeated the us? Because at that time, the us. Was not a great, powerful military power combined.