[7] In the 20th century, they branched into radio and television, making television commercials the single most expensive part of an election campaign.
[3] Ngekhulu lama-20,bahlangana baba umsakazo nethelevishini,benza izikhangiso zethelevishini zaba yingxenye eyodwa ebiza kakhulu emkhankasweni wokhetho.