Before nominating someone for an open seat on a federal district court in michigan, the president consults with the senate from michigan who shares the presidential party label. this is an example of

This is an example of "senatorial courtesy".

Senatorial courtesy is a long-standing unwritten, informal, and nonbinding political custom (or protected tradition) in the United States portraying the propensity of U.S. legislators to help a Senate associate in restricting the arrangement to government office of a presidential candidate from that Senator's state.  

Senatorial courtesy permits legislators of a proposed competitor's home state to dislike the chosen one because he or she may "personally obnoxious", or for comparable reasons. It is normal that the various representatives bolster the restricting congressperson's choice to veto the assignment, in order to get a similar courtesy consequently.

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explanation:

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.