Conversation so far:
What happened at Harpers Ferry?
John Brown's raid on Harpers Ferry was an 1859 effort by abolitionist John Brown to initiate an armed slave revolt at Harpers Ferry, Virginia.
Who was John Brown?
Tubman was introduced to the abolitionist John Brown, an insurgent who advocated the use of violence to destroy slavery in the United States.
Was John Brown part of the raid on Harpers Ferry?
On May 8, 1858, Brown held a meeting in Chatham, Ontario, where he unveiled his plan for a raid on Harpers Ferry, Virginia.
What happened during the attack on Harpers Ferry?
The raid failed.
What did Harriet Tubman and John Brown do after the raid on Harpers Ferry failed?
Brown was convicted of treason and hanged in December
Was Harriet Tubman involved in the raid on Harpers Ferry?
When the raid on Harpers Ferry took place on October 16, Tubman was not present
Was Harriet Tubman involved with John Brown?
Tubman was introduced to the abolitionist John Brown, who advocated the use of violence to destroy slavery. She agreed with his course of direct action and supported his goals.

Question: What relationship does this event have to Tubman's activities?
Self-contained rewrite: What relationship does the raid on Harpers Ferry have to Harriet Tubman's activities?