What group of people was taken to America and sold as slaves?

1. Slavery in America was built on people taken from one part of the world by force. 2. Africans were taken to America and sold as slaves. 3. People came from Ireland and other places too, but they were not the group taken and sold as slaves. _Source: USCIS Civics Flash Cards M-623 (rev. 02/12), public domain, official civics question 60_