USA v. Europe v. Australia - habitable area

Name all States of the USA and Australia + European Countries that have the biggest surface of non-hostile climates. Hostile climates are considered as the following ones: Dry (BWh, BWk, BSh, BSk) and ones with cold winters and summers (Dsc, Dsd, Dwc, Dwd, Dfc, Dfd, ET, EF) Habitable climates are considered as the following ones: Tropical (Af, Am, Aw, As), Temperate (Cfa, Cfb, Cfc, Csa, Csb, Csc, Cwa, Cwb, Cwc) and Continental with warm/hot summers and enough rainfall (Dfa, Dfb, Dsa, Dsb, Dwa, Dwb)