Countries a, b, and c are at a particular level of economic integration. all these countries enjoy reduced or eliminated internal tariffs on trade between them and have added a common external tariff on products imported from countries outside the union. if these countries remove all restrictions on the free flow of capital and labor among themselves, they represent a:

Customs union.

Explanation:

If countries A, B, and C remove all restrictions on the free flow of capital and labor among themselves, they represent a customs union. Customs union is an agreement between countries to reduce internal tariffs of trade between the countries members of the union. The countries that are members may apply a common external tariff on products imported from countries outside the union.

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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.