Which reason explains why diseases like smallpox had such devastating effect on the aztec and inca populations

Apex plz i’m almost done if i get this all right

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

The mass extermination of jews as part of the holocaust during world war ii caused the displacement of millions of jewish survivors. a large portion of them immigrated to which location? a. united states b. poland c. north africa d. palestine e. soviet union