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