Zimmermann Telegram
2 main reasons. Germany kept sinking ships with Americans on them (such as RMS Lusitania). And Germany plotted with Mexico to conquer parts of US and give land back to Mexico.
Germany sent Mexico a document trying to get them to declare war on the USA and thereby prevent USA from entering the war on the side of the Allies. The British intercepted the document and after they showed it to the Americans, the USA declared war on Germany, entering WWI.
RMS Lusitania was sunk by German U boatThe US did declare war on Germany during the World War 1 because Germany had offered Texas, California, Arizona and New Mexico to Mexico.
The Zimmerman Telegram.
Zimmermann was the foreign minister of Germany. He sent a telegram to the German ambassador in Mexico promising Germany's assistance in reclaiming the territory in Texas, Arizona and New Mexico if Mexico would declare war on the United States.
The USA declared war on Germany, after it was revealed that Germany wanted Mexico to declare war on the USA, and after Germany said they would resume submarine sinking of civilian, neutral ships carrying supplies to England and France.
"The Zimmermann Telegram". Germany knew the USA was going to declare war on them, so they tried to secretly ask Mexico for help.
Wilson was compelled to war by - Germany threatening us ships and trade -the amount of chaos in Europe - Zimmerman letter( which was from Germany asking Mexico to declare war on the Us and Germany will help get back land from the US. Mexican war) - and many government officials like teddy Roosevelt clanging for war
An intercepted messege from Germany to Mexico, telling them that if they join sides with Germany, and attack the US; when the war's over, Germany will ensure that the defeated US returns the lands that they took from Mexico during the Mexican War of 1846-1848. Those lands are called California, New Mexico, Arizona, and Nevada today. Mexico firmly believed that Germany couldn't win the war (WWI), and consequently declined the offer.
Mexico
From Mexico.
No.