question: Why were outbreaks of measles and smallpox able to so easily decimate the Taínos ' population ?
answer: no immunity to European diseases
turker_answer: Outbreaks of measles and smallpox were able to so easily decimate the Taínos ' population because there was no immunity to European diseases .
rule-based: Outbreaks of measles and smallpox were able to so easily decimate the Taínos ' population because of no immunity to European diseases .