Final answer:
Great Britain considered new colonial policies to control trade and settlement, maintain peace, and address war debts, including the Conciliatory Proposition, which conceded some American demands but was insufficient and led to revolution.
Step-by-step explanation:
The question pertains to three new colonial policies that Great Britain considered implementing in its colonies. These policies were part of efforts to control colonial trade and settlement, ensure peace with Native Americans, and address war debts. One approach, The Conciliatory Proposition, reflects the British attempts to balance imperial control while conceding to some of the American colonists' demands. It proposed that while Parliament would continue to legislate for the colonies, any taxes imposed would be for the purpose of regulating trade, and the revenue collected would be allocated to the individual colonies, provided they took partial responsibility for their own defense. Despite these overtures, the proposition fell short of colonial expectations and was part of the broader context leading to the American Revolution.