The answer should be C :)
<span>Telegraph and Samuel F.B. Morse </span>invention and inventor are credited with changing the nature of commerce and news in the first half of the nineteenth century
The Battle of Trenton
Christmas 1776
"During one of the darkest moments of the American Revolution, Gen. George Washington led his army over the frozen Delaware River on the evening of December 25, 1776. The famous Crossing of the Delaware led to the Battle of Trenton and a string of victories that revived the cause."