Bonjour,

Réponse :

II/

sujet +be ( conjugué )+ participe passé + by + complémént d'agent

a. Enslaved people are treated badly by plantation owners.

b. Slavery was abolished in 1865 by Abraham Lincoln.

c. The Civil War was won by the North in 1865

III/

1. Au présent, la voix passive se forme avec l’auxiliaire BE au PRÉSENT suivi du verbe au PARTICIPE PASSÉ.

2. Au prétérit, la voix passive se forme avec BE au PRÉTÉRIT suivi du verbe au PARTICIPE PASSÉ.

V/

1) Africans were brought to America by slave traders in 1619.

2) Slaves were forced to work by plantation owners from sunrise to sunset.

3) Slaves could be beaten or whipped by an overseer for many reasons.

4) Black and colored people were rejected by the white population.

5) It is hoped that racism will no longer exist one day.

( pas de complément d'agent ici, il est sous-entendu 'by us' )