What immigrants in the 1800s and early 1900s maintain their cultures?
adopting american traditions
living in ethnic enclaves
fleeing religious persecution
avoiding discrimination

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.