Which of the Following Was a Significant Battle During the First

Which of the following was a significant battle during the first year of the Revolutionary War?

A) Yorktown,a siege in Virginia.
B) Monmouth,where the opposing armies fought to a draw.
C) Bunker Hill,where the British suffered heavy casualties trying to dislodge colonial militiamen.
D) Saratoga,where a large British army surrendered.
E) Cowpens,which helped turn the tide of war in the South.