at the start of the battle of Gettysburg, the union army

Adrove the confederates out of Pennsylvania
Bwas forced into a defensive position
Cbroke through the confederate army's line
Dfought the confederate army to a stand off

Verified Answer :

the confeds drove the union into a defensive position ya heard, but after realizing the union's power level was too strong, general lee and the rest of his Confederate squad was like "oh naw b" and they retreated, leaving the union still standing. (so the answer is B. papi)

The answer is B) was forced into a defensive position