In the 1980s, the us worked with neighboring countries to end the drug trafficking out of ; by the 2000s, the fight had moved to
a.
colombia . . mexico
b.
mexico . . canada
c.
canada . . guatemala
d.
guatemala . . colombia

The answer is letter a.  Columbia and Mexico.  In the past, Colombia dominated the drug trade but due to crackdowns made the United States and local authorities much progress was made against the cartels in Colombia that culminated with the killing of Pablo Escobar.  Later drug cartels emerged in Mexico who started out as transporters but later became traffickers themselves and are the new threat in the war on drugs.

new communications technology has affected the way social movements are organized because nowadays, social movements rely on social networks and the media to get different people with a similar way of thinking in contact, and thus, get them to mobilize for a greater cause.

individuals only participate in collective action when they feel identified with it. is in this aspect that social media becomes relevant, because it guarantees communication among all individuals and organizes the social actions that are going to be carried out, i.e., the social movements.

in addition, being covered by the media is important to validate the message and make it relevant in the social agenda, as well as to reach more people who can share interests, appealing to public sympathy for their cause.

in conclusion, it is by social networks and social media that social movement is given birth; by connecting different individuals with similar ideas and organizing them to mobilize for a greater cause.

answer to ur question is college b