Which of the following steps is called for after a hypothesis has been tested

If you're hypothesis was correct, you do the experiment again (usually three times) to be absolutely sure that you are correct. If you get more or less the same answer each time, you come to a conclusion and share your data.

If you were wrong, you make a new hypothesis, repeat again three times, and come to a conclusion again.

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.

Marshall plan is the answer.