In the global economy, japan is a major participant because their location
a) has made them a major military power.
b) allows japan to received aid from the united states.
c) allows them to easily sell manufactured goods to the rest of the world.
d) has forced the majority of their population to work for international industry.

a problem that faces japan's modern economy is
a) a lack of trading partners.
b) a lack of natural resources.
c) too much land to successfully control.
d) too much money is spent on the military.

explanation:

may i ask what challenges?

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.