Mezue ahịrịokwu na-esonụ: Agbanyeghị, mgbe Agha Worldwa Mbụ gasịrị, a na-agbasa ngwa ngwa na mmanụ ọkụ na mpaghara ndị ọzọ, gụnyere ụzọ ụgbọ okporo ígwè, nke bụ isi ihe dị mkpa na nsogbu akụ na ụba nke dakwasịrị coalfield mgbe agha ahụ gasịrị. A na-agbasawanye ebe a na-egwupụta coal na ngwụsị narị afọ nke iri na itoolu, ndị nwe Welsh coal enwebeghị ike itinye ego na igwe. Ka ọ na-erule n'oge agha ahụ, South Wales Coalfield nwere arụpụtaghị ihe kasị ala, ụgwọ kachasị elu na uru kachasị nta na Britain. Ihe isi ike nọgidere na-aga n'ihu
N'afọ 1926, e nwere Oké Ndakpọ Akụ̀ na Ụba e nwere n'afọ ndị 1930, Agha Ụwa nke Abụọ, nakwa mgbe ọ gasịrị. Akwụkwọ akụkọ nke 1937 "The Citadel" na akwụkwọ akụkọ nke 1939 "How Green Was My Valley" (nke e mechara mee ihe nkiri, nke nwere "obodo nta" nke na-ezighi ezi) na-akọwa ụdị ihe isi ike a, dị ka uri nke Idris Davies onye na-egwupụta akụ, onye nkuzi na onye na-ede uri nke Rhymney.