In other words, enka songs were political satire, and the name 'enka' is said to have begun to be used at the end of the 19th century when the crackdown on speech was intensified and people began to sing songs instead of making speeches.
つまり、政治を風刺する歌で、演説に関する取締りが厳しくなった19世紀末に、演説の代わりに歌を歌うようになったのが「演歌」という名称のはじまりといわれる。