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 However, in 1935, it was declared unconstitutional and repealed.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.
Answer:
A. election of a national president
Explanation: sale of land, agreements between nations and wars between nations all include relations between multiple nations, however election of a national president is only inside the nation and can’t effect boundaries.
-Hope this helps<3
France and England are the 2 countries!
<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>!</em><em> </em><em>:</em><em>)</em>
