According to "the great depression," why was the prosperity of the 1920s "unsustainable"?

the black night was split open like the coconut

it says that it was totally black in the mind of a person but suddenly his mind opened like a coconut with the sweetness of the coconut water and the white color inside it.

or

the black night was thrown like a coconut and it slit apart with its sweet water coming out .

the five different scouting organizations are cub scouts, boy scouts, girl scouts, brownies, and 4h. the main purpose of the scouting movement is to young people develop mentally, spiritually and physically.