What does insane mean in your own words?

Insane means to be in a severely disordered state of mind

Explanation:

To me the word insane means thinking it's ok to do the same thing repeatedly and expecting a different outcome every time.

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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