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.
Pilgrimage to Mecca. Mansa Mūsā, either the grandson or the grandnephew of Sundiata, the founder of his dynasty, came to the throne in 1307. In the 17th year of his reign (1324), he set out on his famous pilgrimage to Mecca. It was this pilgrimage that awakened the world to the stupendous wealth of Mali.
The answer is A. When the US entered the war in order to stop the spread of communism, the war grew by the intervention from both Russia and China.
