Mutsara 1: Muna 1933 Cattell akanyora kuti, pamadzinza ose eEurope, rudzi rwechiNordic ndirwo rwakanga rwakanyanya kukura muungwaru uye kugadzikana kwechimiro. " ' Mutsara 2: Muna 1933, Cattell akanyora kuti, pamarudzi ose eEurope, rudzi rwechiNordic rwakanga rwuri rwuri nani zvikuru mukuziva uye kugadzikana mumugariro. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
Hungu