In which of the following ways did the 1920s wealth gap contribute to the start of the great depression

A The wealth gap led to a decline in stock investment during the 1920s
B Concentration of wealth led to less spending across the economy
C The rural poor were forced into subsistence farming
D The wealth gap lead to heavy emigration from the United States and shrinkage of the economy

B The concentration of wealth led to less spending across the economy.