Opinion: Which of the contributions above do you think was the most helpful and made the largest difference for the country in its fight in World War I? Explain your answer

where is thing if you show me on the map or have a map i can answer your question

the first two years of american revolution was not very encouraging for the patriots since the british were far superior in sea power, arms and troops.

because of the war the westeners befriended japan and each other advance.