Because there were messages intercepted from Germany to Mexico, telling Mexico to join the war and attack the United States. I hope this helps :)
Answer:
James Buchanan
Explanation:
Have a nice dayyyyy ❤️❤️❤️
Britain and Germany both signed the treaty
Answer:
B) a jellied gasoline that explodes when dropped in large canisters.
<span>Selling military supplies </span>