“In the early 1800s, both Spain and Portugal disseminated the smallpox vaccine throughout the Americas via the 'arm to arm of the blacks,' that is, enslaved Africans and African-Americans, often children, who were being moved along slave routes as cargo from one city to another to be sold.”

American historian and author

Greg Grandin is an American historian and author, and a professor of history at Yale University. He has taught at Yale and previously taught at New York University. His work is known for historical writing and analysis shaped by his academic career. He teaches history and has written widely enough to be associated with 76 quotes on this site.