The presumption the answer is Referent power. it is one of the Five Bases of Social Power, as characterized by Bertram Raven and his partners in 1959. Referent power in the initiative is the capacity of a pioneer to develop the regard and deference of his devotees such that they wish to resemble him.
I'm sure that it is the US had abundant natural resources.
They have been looked down upon for decades and possibly centuries. It had become a sort of a social norm in a sense to view them that way, hence all of the public opinion has shaped how we think of them today.
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 However, in 1935, it was declared unconstitutional and repealed.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.
He wanted to end slavery everywhere and set a precedent that states leaving the U.S was not tolerated