She also served on the organizing committee from the Women's International League for Peace and Freedom for the Primer Congreso Interamericano de Mujeres.
[3] In 1937, the family relocated to Massachusetts, where Sanchez de Lozada accepted a posting as a professor of romance languages[4] at Williams College in Williamstown until 1941.
The family then moved back to Washington, where during the war, Sanchez de Lozada was an adviser to Nelson Rockefeller who was Coordinator of Inter-American Affairs and in 1943 was appointed as "special confidential agent" of the Gualberto Villarroel regime after his coup d'état.
[5] In the 1940s Sánchez de Bustamante was selected as Bolivia's first representative to the Organization of American States' Inter-American Commission of Women (CIM).
[10] She is also remembered for her return to Bolivia in 1946 where she inspired mob of feminists which contributed to the overthrow of president Gualberto Villarroel.