Conversation so far:
What happpened at the velley and apomattox?
defeated the army of Confederate Lieutenant General Jubal Early in the Valley Campaigns of 1864.
How did they defeat the army?
CANNOTANSWER.
When did this take place?
1864.
Was it in the winter?
During May.
Was there a lot of casualties?
CANNOTANSWER.

Question: What happened after the battle?
Self-contained rewrite: What happened after the battle at The Valley and Appomattox?