Final answer:
The United States did not declare war in 1915 after the Germans attacked the Lusitania, contrary to popular belief.
Explanation:
False. The United States did not immediately declare war in 1915 after the Germans attacked the Lusitania. The U.S. officially entered World War I on April 6, 1917, due to various factors such as Germany's unrestricted submarine warfare and the Zimmerman Telegram.
Learn more about World War I here:
https://brainly.com/question/41436193
