Answer:
SYNONYMS FOR doubtful
1 undetermined, unsettled, indecisive, dubious, problematic. 2 unsure, indeterminate. 3 irresolute, vacillating, hesitant. 4 shady.
Explanation:
The United States should not get involved in the affairs of other countries.
Answer: social and political consequences.
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.