Multiple choice Benjamin Franklin's Albany Plan of Union is significant because - It called for the colonists to reunite with their mother country It stopped abuses of mercantilism It called colonies to unite in order to strengthen military defenses It asked colonists to fight the mother country Reveal answer Fill a bubble to check yourself C Correct answer Explanation Proposed in 1754, the Albany Plan of Union was the first formal proposal to unite the American colonies under a single centralized government. Its primary goal was to coordinate common defense and native relations during the French and Indian War.