Verb: revoke or annul (a law or congressional act).
Noun: the action of revoking or annulling a law or congressional act.
The government was connected because you were not allowed to assemble back in that time, so the government could storm in any time they deemed suitable to them if they had proper suspicion.
Answer:
B) Mine explosions, fire, flu, and loss of young men to war all contributed to the high death toll found in Dawson.