Answer:
B. Began thinking of the colonies as separate from Britain.
Step-by-step explanation:
B is the correct answer simply because the proposed plan had in its core the idea of self-government of the colonies, which of course opposed the system that existed until then.
A is not correct as colonists entered the war when called upon by authorities.
C is not correct as the Albany Plan wasn't directly connected with military.
D is not correct as it created a totally different atmosphere.