1. First Battle of Bull Run,
2. Battle of Antietam
3. Battle of Gettysburg
4. Sherman's March to the sea
1. The engineers made pontoons so that they could easily cross rivers.
2. They dug beneath the enemy's city walls to weaken them.
3. Used battering rams to hammered the enemy city's gates.
More farm workers were needed because during the revolution bombs would destroy healthy crops that were being prepared for feasts. Hope I helped
