What is the state flower of New Hampshire?

What is the largest city in New Hampshire by population? In what year did New Hampshire ratify the U.S. Constitution? What is the official nickname of New Hampshire? What is the state bird of New Hampshire? What is the two-letter postal abbreviation for New Jersey? Which state uses the postal abbreviation "NJ"? Trenton is the capital of which state? What is the largest city in New Jersey by population?