Red biennium, from 1919-1920
Serfs may eventually work their way to freedom (usually not), if you know the term tenant farmers, individuals who work on a property with some believe that eventually they may pay their debts off and become a freeman. An enslaved person, will never believe that they will eventually become free.
-My opinion anyway (probably wrong) but worth a try.
Answer:
Bloomberg took the brunt of the fire after spending his way onto the debate stage for the first time, but everyone had to take their turn playing offense and defense. Warren critiqued every other candidate’s health care plan in a single answer, injecting a rush of energy into her campaign. Pete Buttigieg and Amy Klobuchar continued a running battle that has built over several debates, while Biden lit into Bloomberg over Obamacare and Sanders faced questions about his policy disagreements with a powerful Nevada labor union.
(If you want I can make the words less complicated or advanced and add sentences.)
Answer:
by Great Britain, and the Negro slave trade, Negro slavery and ... of the Industrial Revolution has been treated more or less ade- ... class in general and of those people in particular: who are re- ... it has left even upon the civilization of today have not any- ... it is not adopted as the choice over free labor; there is no choice.
yearly imports of Negroes were not large, the importation combined ... status did not result in any large-scale importation, and it was not until 1753 that the foreign trade in slaves became very large. In 1790 ... in 1850 and 1860 than they were in earlier years. ... fifties it is fairly certain that no slave holders but those few whose.
Explanation: