Answer:On June 15, 1898, the Anti-imperialist league formed to fight U.S. annexation of the Philippines, citing a variety of reasons ranging from the economic to the legal to the racial to the moral.
A.D means in our time (Anno Domini, the year of our lord) and B.C means Before Christ - these two and the other mentioned words are used to B. refer to periods of time.
The economies of the New England and Mid-Atlantic colonies were more diversified than the Southern colonies.