Beginning in the late 1970s, mailings became a crucial element in the rise in power of conservatives. The media became increasingly liberal, but conservatives who tended to stay at home and read their mail were reached through mass mailings. | Beginning in the late 1970s, mailings became a crucial element in the rise in power of conservatives. The media became increasingly liberal, but conservatives who tended to stay at home and read their mail were reached through mass mailings. |