What do the money economy and the barter economy have in common? (4 points) They both exchange coins to purchase goods and services. They both involve trading something for goods and services. They both use loans as the main way to get goods and services. They both trade property to buy goods and services.

For barter to occur between two parties, both parties need to have what the other wants. There is no common measure of value In a monetary economy, money plays the role of a measure of value of all goods, so their values can be assessed against each other; this role may be absent in a barter economy. Indivisibility of certain goods

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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.