Final answer:
The Albany Plan of Union, proposed by Benjamin Franklin, was rejected by all colonies as they feared the erosion of their powers.
Step-by-step explanation:
None of the colonies approved the Albany Plan. The plan, proposed by Benjamin Franklin at the Albany Congress, called for a colonial union with a "grand council" to pass legislation and a president appointed by the Crown.
Although this plan was approved by the delegates at the Albany Congress, it was ultimately rejected by the colonies and the Colonial Office because of fears of centralized power eroding the autonomy of the individual colonies.