1920s a Angola

A cikin shekarun 1920 a Angola ma'adinan ma'adinai sun zama tushen samun kuɗaɗen shiga na farko ga gwamnatin 'yan mulkin mallaka. 

 Tattalin Arziki 
Comphania de Diamantes de Angola, kamfanin Diamang lu'u-lu'u na Angola, an kafa shi a cikin shekarar 1920. Gwamnati ta riƙe hannun jarin kashi 5% na kamfanin, ta kuma ba shi hayar haƙar lu'u-lu'u na tsawon shekaru talatin, sannan ta ba shi damar yin aiki ba tare da biyan haraji ba ko harajin shigo da kaya daga waje.  Kamfanin ya ɗauki ma'aikata 10,000 aiki kuma ya jawo hannun jari daga Afirka ta Kudu.  A cikin shekarar 1922, kamfanin Anglo American lu'u-lu'u ya sayi hannun jari na 16% a Diamang. Ƙungiyar Diamond ta London ta amince da siyan  daga Angola kowace shekara. A ƙarƙashin mulkin Gwamna Janar Norton de Matos, gwamnatin mulkin mallaka ta kashe Fam miliyan 13 don kawo bakin haure 9,000 daga Portugal, ta fadatda aikin layin dogo na Benguela da hanyoyi. Yawan mazauna ya kai 36,000 a shekarar 1924.   Ya zuwa shekarar 1929, albarkatun da ake hakowa sun kai kashi 25% na abin da Angola ke fitarwa zuwa ƙasashen waje, fam 600,000.

 Gwamnonin mulkin mallaka 

 Mimoso Guerra, Gwamna-Janar na Angola (1919-1920)
 Visconde de Pedralva, Gwamna-Janar na Angola (1920-1921)
 João Mendes Ribeiro Norton de Matos, Babban Kwamishinan Angola (1921-1924)
 João Augusto Crispiniano Soares, Babban Kwamishinan Angola (1924)
 Antero Tavares de Carvalho, Babban Kwamishinan Angola (1924-1925)
 Francisco Cunha Rêgo Chaves, Babban Kwamishinan Angola (1925-1926)
 António Vicente Ferreira, Babban Kwamishinan Angola (1926-1928)
 António Damas Mora, Babban Kwamishinan Angola (1928-1929)
 Filomeno da Câmara Melo Cabral, Babban Kwamishinan Angola (1929-1930)

 Duba kuma 

 Portuguese Yammacin Afirka 

 Manazarta