Which statement is true about slavery in north america? select one: a. american indian slaves were treated with dignity . b. european explorers rejected slavery in the americas. c. slavery had not existed before the european discovery of america. d. african slaves took the place of american indian workers.

a. American Indian slaves were treated with dignity

Explanation:

The true statement about slavery is that it had not existed before the European discovery of America. Option c is the right answer.

Slavery in North America only began after the continent was discovered by the European explorers.

Slavery is dated to have started as far back as the year 1619 when Europeans brought 20 Africans into Jamestown. These people were brought in as captives.

The Europeans bought slaves from Africa and took them back to America to work in their plantations.

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a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.