Final answer:
The Albany Plan aimed to unite the colonies under a common authority, leading to the rejection of the proposal by the colonies, which later influenced the formation of the Constitution.
Explanation:
The correct option to complete the sentence is 'unite.' The Albany Plan proposed the establishment of a government that would unite the colonies under a common authority, forming a colonial union.
Although the plan was approved at the Albany Congress, the colonies later rejected it due to fears of their powers being eroded by the proposed colonial union.
This plan influenced the later formation of the 1777 Articles of Confederation and the Constitution.
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