Answer:
A. through attrition and massive advances on several fronts
Answer:
Yes, it is A. through attrition and massive advances on several fronts
Explanation:
Here are my notes:
"As the war continued in 1861, President Lincoln believed that several coordinated attacks on different fronts would give the Union victory"
and
"A multi-front strategy would allow the North to exploit its advantages more resources and more manpower"