Answer:
1. Johnston and Lee attacked McClellan - Battle of Seven Pines
2. Commanded Army of the Potomac - Gen. McClellan
3. Kept Union Army in Washington, D.C. - "Stonewall" Jackson;
4. Commanded Army of Virginia - Robert E Lee
5. Commanded Union forces in the East - General Halleck
6. defeated Pope at the 2nd Battle of Bull Run - Jackson and Lee;
7. Bloodiest single day battle - Antietam
Step-by-step explanation:
This is if you want the answer in an easier format : )
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