PART B: Which phrase from the text best supports the answer to Part A?

A
“This was the Battle of Gettysburg, where more than 170,000 troops fought and over 40,000 were killed or injured.” ( Paragraph 5)
B
“While there, Hill’s division was surprised to see Union troops under the command of Brigadier General John Buford arriving south of town.” ( Paragraph 7)
C
“The Confederates drove the outnumbered Union troops towards Cemetery Hill, just south of town, where Union artillery located on the hill halted the retreat.” ( Paragraph 8)
D
“the Union had halted the invasion of the North and come out as the victors of the battle.” ( Paragraph 12)