Pedzisa mutsara unotevera: Kuchera marasha muRhondda kwakaramba kuchiwedzera mukuvamba kwezana ramakore rechi20, kunyange zvazvo pasina zvimwe zvimbambaira zvakacherwa muPorth. Vagari vakaramba vachikura asi migariro yakava yakaoma pashure peGreat Depression, uye pakazosvika pakati pema1920 kushaya basa pakati pevashandi vemumigodhi kwakakwira. Zvinhu zvakawedzera kuipa pashure pengwavaira
kurova kukuru kwa1926 uko kwakaona vashandi vakawanda vemumigodhi vasina basa kwemwedzi. Sezvo kushandiswa kwemichina kwakabvumira dzimwe nzvimbo dzokuchera kuti dzive dzinobatsira zvikuru, migodhi yekare yeRhondda yakanyura makore anoda kusvika 75 apfuura yakanga isingagoni kuvandudzwa uye imwe neimwe yakatanga kuvhara. Porth, kufanana nedzimwe nharaunda dzose dzeRhondda, yakavakirwa bedzi paindasitiri yemarasha, uye nokuparara kwayo kwakauya urovha hukuru, kuchiguma nokufamba kwevanhu nokuda kwezvemari. Kwakanga kune zororo pfupi mukati meHondo yeNyika II, apo basa rakawedzera zvikuru. Izvi zvakakonzerwa nekudikanwa kweRhondda steam coal, asiwo nekuda kwemafekitori makuru emidziyo akavakwa muBridgend, Hirwaun neTreforest uko vashandi vaienda. Nokuguma kwehondo kwakanga kuri pachena kuti urovha hwaizodzoka, asi kuitira kuti ave nechokwadi chokuti unyanzvi hwefekitari hutsva hwakawanikwa mukati memakore matanhatu akapfuura hahuna kurasika Hurumende yeBritain yakapfuura Mutemo weKugoverwa kweIndasitiri muna 1945. Ikoku kwakaona maindasitiri matsva 25 achiuya kuRhondda, matanhatu awo akavakirwa muPorth. Dzakanga dzakatangira kukambani yaVaJacob Beatus inogadzira mabhokisi, fekitari yematoyi esimbi uye bazi reRemploy rakanangana nevashandi vakaremara.