Final answer:
The Conciliatory Proposition did not meet most American colonist demands, making that statement false. However, it is true that the Proclamation of 1763 was partly a response to Pontiac's War.
Step-by-step explanation:
The statement about the Conciliatory Proposition is false. The Conciliatory Proposition did not give in to most of the demands of the American colonists. It was an attempt by the British to pacify the colonists by repealing some of the taxes and by allowing them to tax themselves at Parliament's demand, but it did not address their fundamental grievances, particularly about representation.
The statement about the Proclamation of 1763 being enacted in part as a response to Pontiac's War is true. After the war, the British government issued the Proclamation as a measure to stabilize relations with Native American tribes through regulating trade, settlement, and land purchases on the western frontier.