Dee ihe na-aga n'ihu maka paragraf a - N'oge mgbụsị akwụkwọ nke 1922, Rivera sonyere na ntọala nke Revolutionary Union of Technical Workers, Painters and Sculptors, ma mesịa n'afọ ahụ ọ sonyeere ndị Kọmunist Mexico (gụnyere Kọmitii Central ya). Ihe osise ndị o sere n'ahụ́ ájá, bụ́ ndị e mesịrị sere nanị n'ụdị fresco, na-ekwu banyere ọha mmadụ Mexico ma na-egosipụta mgbanwe nke mba ahụ mere n'afọ 1910
Ọ dị mma. Rivera mepụtara ụdị nke ya nke sitere na ọnụ ọgụgụ buru ibu, dị mfe na agba ndị siri ike na mmetụta Aztec nke dị ugbu a na murals na Secretariat of Public Education na Mexico City malitere na Septemba 1922, nke a ga-enwe otu narị na iri abụọ na anọ frescoes, ma gwụchaa na 1928.