Part A.
Answer: There have been many, but they have all failed.
Explanation: Henry brings up their past experience with the British, and point out they never had a successful reconciliation. "And judging by the past, I wish to know what there has been in the conduct of the British ministry for the last ten years to justify those hopes with which gentlemen have been pleased to solace themselves and the House."
Part B.
Answer: He asks questions and then answers them to lead the audience.
Explanation: He asks questions such as "Are fleets and armies necessary to a work of love and reconciliation?" to support his argument that the British cannot be trusted if they are bringing troops.
Answer:
Independent clause.
Explanation:
It doesn't have a subject and verb.
A best supports the argument because it is the only answer that describes the pros of having mice as pets, while the others provide tips and facts upon adopting them.