Respuesta :
Answer:i think it's
2.The U.S. remained neutral.
4.President Wilson sent four angry protests to Germany about their inhumane behavior.
Answer:
President Wilson sent four angry protests to Germany about their inhumane behavior.
Explanation:
The United States of America took a cautious approach to protest against the attack, demanding apology from Germany, compensation for American victims that died on that ship, and a pledge to discontinue unannounced submarine warfare. The death of many innocent civilians at the ship, give a reason to America for entering the war, which eventually turned against Germany.