Which statement is true concerning henry ford's use of the assembly line? he was able to sell more cars at higher prices. he could produce cars without factory workers. he was able to sell cars at prices the average family could afford. the assembly line proved too inefficient for mass production.

He was able to sell them at affordable pricss

Opposition to the nra came to a head in 1935, when the conservative supreme court declared the agency unconstitutional, claiming the nra gave the executive branch regulatory powers that belonged exclusively to congress. this decision began a series of court decisions that overturned key elements of the new deal.