https://www.brainpop.com/socialstudies/ushistory/slavery/
username: macarthurbarr
password: library
https://app.discoveryeducation.com/learn/player/ac05bd68-0f39-4a73-af58-3365d349b279
Slave Trade: the African Connection, ca 1788
http://www.eyewitnesstohistory.com/slavetrade.htm