Why were more americans able to buy luxury items such as cars during the 1920s?

a) families were pooling their money together to buy high-priced items.

b) mass production techniques reduced manufacturing costs and therefore reduced the prices for consumers.

c) jobs were paying higher wages due to the large number of labor strikes following the war.

d) the government was assisting families of low-income status in order to buy necessities.

B) Mass production techniques reduced manufacturing costs and therefore reduced the prices for consumers.

Explanation:

For some working class Americans, the 1920s was a time of remarkable thriving. Rising profit created progressively discretionary cashflow for the buy of purchaser merchandise.  

Henry Ford's advances in assembly-line proficiency made a genuinely affordable car, making vehicle proprietorship a probability for some Americans.

Advertising moved toward becoming as large an industry as the produced products that publicists spoke to, and numerous families depended on new types of credit to expand their utilization levels as they strived for another American way of life.

meaning the clothes cost alot of money