Question

Which of the following helped the Union achieve one of its goals in the Civil War?

1. the determination of General Grant
2. the discovery of General Lee’s battle plan at Antietam
3. the aggressive tactics of General George McClellan
4. well-trained soldiers at the Battle of Bull Run

Answer 1

the answer is 2.

Step-by-step explanation:

The answer is 2 because before that battle the union where actually losing.