During the pax romana a. textiles became the empire's most important industry b. agriculture industry and trade flourished c. the empire decreased in power d. emperor hadrian built the coliseum

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.