Mainly Slavery, Missouri was admitted as a slave state
I only remember 2 wasn't it the president James Madison and Jefferson Repuplicson
Denis Diderot, a french writer who published the first encyclopedia in mid 1700
The answer to this answer is A.
The National American Free Trade Agreement (NAFTA) had a purpose of supporting free and easier trade between other nations (specifically the US, Canada, and Mexico), which is very close to the details mentioned in this quote.
If you were to read the NAFTA, you would find this quote in Chapter 1, Article 102.