What dose then by dint of hard pulling we accomplished the whole distance mean

i guess you are missing the idea that has to be supported, am i right?

well, number 1, the 1920s was not economically prosperous until the start of the lend-lease act, which employed large amounts of people in producing equipment for the allies.

b. world war ii is your answer, because wwi had already ended at 1918, and the cold war was after 1945.

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