Final answer:
The colonial assemblies rejected the Albany Plan of Union due to fears of losing their powers, but it influenced later American governance.
Step-by-step explanation:
The colonial assemblies had significant reservations about the Albany Plan of Union proposed during the Albany Congress in 1754. Despite the delegates at the Congress approving the plan, which called for a grand council to pass legislation and a president appointed by the Crown, the individual colonies ultimately rejected it. The fear was that such a union would erode the colonial assemblies' established powers, including their authority to initiate legislation, control the colonial budget, and hold the relatively democratic power they had compared to England, due to wider land distribution and voting eligibility among men. The concepts within the Albany Plan, however, later influenced the Articles of Confederation and the U.S. Constitution.