Hi Brainiac, thanks for asking a question here on Brainly!
Woodrow Wilson's opinion began to change when the attack of the German U-boats killed many people in the US.
Hope that helps! ★<span> If you have
further questions about this question or need more help, feel free to comment
below or post another question and send the link to me. -UnicornFudge aka Nadia </span>
