Answer:
When he helped establish the Cinque Gallery in 1969.
They would be put into room to be sorted between “healthy and able to work” and “undesirable for work”. Those who were healthy and able, would be taken to another room to possibly shower and get their uniforms. Those who were undesired would be taken to gas chambers or would get shot.
it would be "would" because she was home and the keys are at home
A precedent is an example