Holocaust was the primary reason the United nations called for a convention on prevention and punishment of Genocide in 1948.
The Declaration of Independence was signed July 4th, 1776.
North American Slavery in the Spanish and English Colonies. Both Spain and England participated in the slave trade of Native Americans and Africans to supplement their colonial labor forces. However, the Spanish government did not allow Florida Indians to be slaves as was the law and practice in other Spanish colonies.