Final answer:
Thomas Paine was concerned that the way the colonies would react would set a precedent for future actions and decisions.
Step-by-step explanation:
In his work 'Common Sense', Thomas Paine was concerned that the way the colonies would react would set a precedent for future actions and decisions. Paine believed that if the colonies acted strongly and effectively to obtain independence, it would inspire and influence other oppressed peoples around the world.
Learn more about Impact of colonies' reaction in 'Common Sense'