I have a chance that the answer is A.
I dont know this question..But you can look and read the information on this site..http://www.history.com/this-day-in-history/the-maine-explodes
1876 was an important year for America because it was America's 100th anniversary of the Declaration of Independence. This signifies the unity amongst Americans which establishes a strong centripetal force.
Yes, they did. John Adams and
Thomas Jefferson both died on July 4, 1826. Adams passed away on Independence
Day, his last words being “Thomas Jefferson survives”. But unbeknownst to him,
Jefferson actually died just five hours earlier in his home at Monticello.