The correct answer is C. By forming trade blocs
Explanation
A trade bloc is an agreement between different nation through which certain barriers such as tariffs are eliminated or reduced, which implies trade between the countries or nations that are part of the block is cheaper, this benefits the economy of the countries participating as the economy grows. Also, trade blocks imply cooperation of nations as they reduced or eliminate barrier and support each other economy as all of them have trade benefits, because of this trade block imply nations cooperate economically.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The rhetorical device I can find in the following passage is Pathos.
Pathos is the appeal of emotion to try to convince an audience. When an author uses Pathos, it tries to move the emotions of the readers with its writing. In this case, the passage includes words such as "fled" to express the excessive number of people that had to migrate to other countries. Or "stamp out" to say that they had to get rid of the rebels.
This quote appeared in the prestigious newspaper USA Today.
"In the 1980s, Central America was awash in violence. Tens of thousands of people fled El Salvador and Guatemala as authoritarian governments seeking to stamp out leftist rebels turned to widespread arrests and death squads."
I believe it was Bc that didn't do anything to get women equal rights