Social studies, !

-christianity
-horses
-smallpox

the list above can best be described as items brought to the americas by
a. african slaves
b. puritans
c. europeans
d. native americans

C. Europeans 

The Europeans brought much of their culture when they settled in the Americas. Puritans did come to the Americas to escape religious persecution. Native Americans were here already, and they were the ones affected from small pox that the Europeans brought.