The articles of confedertion called for which of the following?
a. the right of the legislature to assess taxes
b. a chief executive
c. the northwest ordinance
d. a single legislative body

In the United States, the articles of confederation called for "D. a single legislative body," since the idea was to allow the states to maintain most of the power. 

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.