Fast review mode: answers are shown by default so you can skim quickly. Hide them if you want to self-test.
The United States came into the war in April 1917, but it took a while for their troops to be trained and transported across the Atlantic. Many bitter battles took place before American participation began to tip the balance.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.