Well, this is quite subjective. The National Industrial Recovery Act allowed the president to regulate industry in an effort to stabilize prices. However, in 1935, it was declared unconstitutional and repealed. Had it survived, it probably would've been quite effective.
The right answer for the question that is being asked and shown above is that: "Removal of Native Americans from frontier lands." a key policy of Andrew Jackson's administration is that <span>Removal of Native Americans from frontier lands</span>