Mandela realised that his brothers and sisters were not free in their own country due to their colour. The freedom of everyone in his society was curtailed. He joined the African National Congress and fought for the freedom.
To determine the root cause of contamination
Collective nouns are always singular
Ex. A flock of birds is migrating to the South.
The person that gave their reasons for why caesar was killed was Brutus.
He was shocked that Dudely had saved him from the dementor
