Conversation so far:
What was some political activities that Robert Dale Owen partook in?
During the American Civil War, Owen served in the Ordnance Commission to supply the Union army.
What did they supply the union with?
In 1862 Owen wrote a series of open letters to U.S.
government officials, including President Abraham Lincoln and U.S.
Secretary of the Treasury Salmon P.
Chase.
What were these letter include?
to encourage them to support general emancipation.
Was he successful?
CANNOTANSWER.
Did he have any take in any other political movements?
In another open letter that Owen wrote to President Lincoln on September 17, 1862, he urged the president to abolish slavery on moral grounds.

Question: What was his stance on slavery?
Self-contained rewrite: What was Robert Dale Owen stance on slavery?