Answer:
The information that Van Lew relayed to the Union army commanders were:
1. where the prisoners had been
2. who commanded which rebel armies
3. the morale of rebel
4. where the rebel troops were headed
Step-by-step explanation:
Elizabeth Van Lew was an effective Union spy who was a member of Richmond, Virginia society.
She fervently opposed slavery and secession as a result was instrumental in giving Union Army Commanders those information. She kept writing her thoughts against slavery in a diary which she hid in her backyard.