What did spain do after the american revolution to discourage american settlements west of the appalachian mountains?

the correct answer on penn foster is..
spain forbade american trade in new orleans

i took the test and this was the answer

a goverment for the people by the people

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.