Some 70 years ago, Hitler's Wehrmacht was chalking up one victory after the next, but then Winston Churchill stood up to the dictator. Their duel decided World War II. The former British prime minister has been viewed as one of the shining lights of the 20th century ever since. Is the reputation justified?
Answer:
American neutrality
The president insisted that all government actions be neutral, and that the belligerents must respect that neutrality according to the norms of international law.
The Americans helped the British Empire, French and Portuguese forces defeat and turn back the powerful final German offensive, also the Americans played a role in the Allied final offensive
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I think that these are the answers for your questions.
3. B
4. B