Conversation so far:
Can you tell me one of Robert Dale Owen's bigger political activities?
Robert Dale Owen represented Indiana in the U.S. House of Representatives (1843–47).
What year did Robert Dale Owen start working in the House of Representatives?
1843
When did Robert Owen's time in the House of Representatives come to an end?
1847

Question: what else did he do in the political field
Self-contained rewrite: What else did Robert Owen do in the political field?