What important battle did the Americans help win in WW1

Why was the german military occupation of the rhineland a problem for europe nation ?

Which of the following was significant for the allied capture of rome? the capture of rome gave the allied powers direct access to the italian-german border and a road to reach berlin. the capture of rome led to the decline of the italian fascists, and those opposed to mussolini were able to regain control of their country. the allied capture of rome promoted an alliance with mussolini who had direct knowledge of hitler’s military strategy. capturing rome drew the german’s attention away from the soviet war front and toward the european theater.

Who were some of the first people to use prostheses?